============================================================
AREPO F — ADMISSIO TABULAE
Ars Generalis Applied — Admissibility Layer (REGIMEN_F)
Version: 0.1.1-AREPO-F-ADMISSIO-TABULAE
Status: LOCK-CANDIDATE
Scope: TABULA admissibility, state admission, and pre-execution gating
Authority: AREPO
Mutation Policy: VERSION-CONTROLLED ONLY
Class: AREPO
Regime: F
Depends-On:
    • TENET F — TABULA GENERALIS
    • ROTAS F — TABULA ROTUNDA
References:
    • ALBUS — TABULA / FIGURA QUARTA PROJECTION
    • CARCER — TABULA FAMILY DERIVATION PROCEDURE


    • POPULUS — TABULA
============================================================


<!-- LOCAL_SECTION_INDEX_START -->
## LOCAL SECTION INDEX

Scope: local anchors within this artifact only. No cross-artifact links are introduced here.

- [I. PURPOSE](#local-section-05-stack-f-arepo-f-inputadmissibility-i-purpose)
- [CORE PRINCIPLE](#local-section-05-stack-f-arepo-f-inputadmissibility-core-principle)
- [II. ADMISSIBILITY PRINCIPLE](#local-section-05-stack-f-arepo-f-inputadmissibility-ii-admissibility-principle)
- [Definition:](#local-section-05-stack-f-arepo-f-inputadmissibility-definition)
- [Formal Concept:](#local-section-05-stack-f-arepo-f-inputadmissibility-formal-concept)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation)
- [Failure:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure)
- [III. TABULA STATE ADMISSIBILITY CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-iii-tabula-state-admissibility-conditions)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle)
- [Admissible State Requirements:](#local-section-05-stack-f-arepo-f-inputadmissibility-admissible-state-requirements)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-2)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions)
- [IV. REQUEST ADMISSIBILITY](#local-section-05-stack-f-arepo-f-inputadmissibility-iv-request-admissibility)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-2)
- [Valid Request Must Include:](#local-section-05-stack-f-arepo-f-inputadmissibility-valid-request-must-include)
- [Constraints:](#local-section-05-stack-f-arepo-f-inputadmissibility-constraints)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-3)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-2)
- [V. FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-v-failure-conditions)
- [INVARIANT FAILURES (TENET F)](#local-section-05-stack-f-arepo-f-inputadmissibility-invariant-failures-tenet-f)
- [TOPOLOGY FAILURES (ROTAS F)](#local-section-05-stack-f-arepo-f-inputadmissibility-topology-failures-rotas-f)
- [STRUCTURAL FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures)
- [REQUEST FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-request-failures)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule)
- [VI. ADMISSION FORMULA](#local-section-05-stack-f-arepo-f-inputadmissibility-vi-admission-formula)
- [Formal Condition:](#local-section-05-stack-f-arepo-f-inputadmissibility-formal-condition)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-4)
- [Boundary:](#local-section-05-stack-f-arepo-f-inputadmissibility-boundary)
- [Failure:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-2)
- [VII. BOUNDARY ENFORCEMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-vii-boundary-enforcement)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-3)
- [Rules:](#local-section-05-stack-f-arepo-f-inputadmissibility-rules)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-5)
- [Constraint:](#local-section-05-stack-f-arepo-f-inputadmissibility-constraint)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-3)
- [VIII. TRACEABILITY REQUIREMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-viii-traceability-requirement)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-4)
- [Trace Structure:](#local-section-05-stack-f-arepo-f-inputadmissibility-trace-structure)
- [Requirements:](#local-section-05-stack-f-arepo-f-inputadmissibility-requirements)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-6)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-4)
- [IX. REGIME PURITY ENFORCEMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-ix-regime-purity-enforcement)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-5)
- [Prohibition:](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibition)
- [Allowed:](#local-section-05-stack-f-arepo-f-inputadmissibility-allowed)
- [Rule:](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-2)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-5)
- [X. FUNCTION](#local-section-05-stack-f-arepo-f-inputadmissibility-x-function)
- [ROLE IN AGLA CLASS CHAIN](#local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain)
- [AREPO F:](#local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f)
- [XI. CLOSURE](#local-section-05-stack-f-arepo-f-inputadmissibility-xi-closure)
- [FINAL LAW](#local-section-05-stack-f-arepo-f-inputadmissibility-final-law)
- [FINAL STATE:](#local-section-05-stack-f-arepo-f-inputadmissibility-final-state)
- [• POPULUS — TABULA](#local-section-05-stack-f-arepo-f-inputadmissibility-populus-tabula)
- [I. PURPOSE](#local-section-05-stack-f-arepo-f-inputadmissibility-i-purpose-2)
- [CORE PRINCIPLE](#local-section-05-stack-f-arepo-f-inputadmissibility-core-principle-2)
- [MANDATORY BEHAVIOR](#local-section-05-stack-f-arepo-f-inputadmissibility-mandatory-behavior)
- [II. ADMISSIBILITY PRINCIPLE](#local-section-05-stack-f-arepo-f-inputadmissibility-ii-admissibility-principle-2)
- [Definition:](#local-section-05-stack-f-arepo-f-inputadmissibility-definition-2)
- [Formal Definition:](#local-section-05-stack-f-arepo-f-inputadmissibility-formal-definition)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-7)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-3)
- [FAILURE](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-3)
- [III. TABULA STATE ADMISSIBILITY CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-iii-tabula-state-admissibility-conditions-2)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-6)
- [State Admissibility Requirements:](#local-section-05-stack-f-arepo-f-inputadmissibility-state-admissibility-requirements)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-4)
- [PROHIBITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions)
- [FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-6)
- [IV. REQUEST ADMISSIBILITY](#local-section-05-stack-f-arepo-f-inputadmissibility-iv-request-admissibility-2)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-7)
- [Canonical Request Structure:](#local-section-05-stack-f-arepo-f-inputadmissibility-canonical-request-structure)
- [Traversal Definition:](#local-section-05-stack-f-arepo-f-inputadmissibility-traversal-definition)
- [Constraints:](#local-section-05-stack-f-arepo-f-inputadmissibility-constraints-2)
- [PROHIBITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-2)
- [FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-7)
- [V. FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-v-failure-conditions-2)
- [INVARIANT FAILURES (TENET F)](#local-section-05-stack-f-arepo-f-inputadmissibility-invariant-failures-tenet-f-2)
- [TOPOLOGY FAILURES (ROTAS F)](#local-section-05-stack-f-arepo-f-inputadmissibility-topology-failures-rotas-f-2)
- [STRUCTURAL FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures-2)
- [REQUEST FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-request-failures-2)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-5)
- [VI. ADMISSION FORMULA](#local-section-05-stack-f-arepo-f-inputadmissibility-vi-admission-formula-2)
- [Formal Condition:](#local-section-05-stack-f-arepo-f-inputadmissibility-formal-condition-2)
- [Derived Constraints:](#local-section-05-stack-f-arepo-f-inputadmissibility-derived-constraints)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-8)
- [BOUNDARY](#local-section-05-stack-f-arepo-f-inputadmissibility-boundary-2)
- [FAILURE](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-4)
- [VII. BOUNDARY ENFORCEMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-vii-boundary-enforcement-2)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-8)
- [RULES](#local-section-05-stack-f-arepo-f-inputadmissibility-rules-2)
- [MANDATORY BEHAVIOR](#local-section-05-stack-f-arepo-f-inputadmissibility-mandatory-behavior-2)
- [INTERPRETATION](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-9)
- [PROHIBITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-3)
- [FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-8)
- [VIII. TRACEABILITY REQUIREMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-viii-traceability-requirement-2)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-9)
- [Trace Structure:](#local-section-05-stack-f-arepo-f-inputadmissibility-trace-structure-2)
- [Requirements:](#local-section-05-stack-f-arepo-f-inputadmissibility-requirements-2)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-6)
- [INTERPRETATION](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-10)
- [FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-9)
- [IX. REGIME PURITY ENFORCEMENT](#local-section-05-stack-f-arepo-f-inputadmissibility-ix-regime-purity-enforcement-2)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-10)
- [PROHIBITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-4)
- [ALLOWED](#local-section-05-stack-f-arepo-f-inputadmissibility-allowed-2)
- [RULE](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-7)
- [INTERPRETATION](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-11)
- [FAILURE CONDITIONS](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-10)
- [X. FUNCTION](#local-section-05-stack-f-arepo-f-inputadmissibility-x-function-2)
- [ROLE IN AGLA CLASS CHAIN](#local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain-2)
- [AREPO F:](#local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f-2)
- [SYSTEM ROLE](#local-section-05-stack-f-arepo-f-inputadmissibility-system-role)
- [XI. ADMISSION OUTPUT CONTRACT](#local-section-05-stack-f-arepo-f-inputadmissibility-xi-admission-output-contract)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-11)
- [Admissibility Output:](#local-section-05-stack-f-arepo-f-inputadmissibility-admissibility-output)
- [Rules:](#local-section-05-stack-f-arepo-f-inputadmissibility-rules-3)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-12)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-11)
- [XII. PRE-EXECUTION GATE (OPERA F)](#local-section-05-stack-f-arepo-f-inputadmissibility-xii-pre-execution-gate-opera-f)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-12)
- [Preconditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-preconditions)
- [Gate Function:](#local-section-05-stack-f-arepo-f-inputadmissibility-gate-function)
- [Rule:](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-8)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-13)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-12)
- [XIII. DIAGNOSTIC INTERFACE](#local-section-05-stack-f-arepo-f-inputadmissibility-xiii-diagnostic-interface)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-13)
- [Diagnostic Structure:](#local-section-05-stack-f-arepo-f-inputadmissibility-diagnostic-structure)
- [Rules:](#local-section-05-stack-f-arepo-f-inputadmissibility-rules-4)
- [Prohibitions:](#local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-5)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-14)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-13)
- [XIV. NON-COLLAPSE LAW (AREPO EXTENDED)](#local-section-05-stack-f-arepo-f-inputadmissibility-xiv-non-collapse-law-arepo-extended)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-14)
- [Required Distinctions:](#local-section-05-stack-f-arepo-f-inputadmissibility-required-distinctions)
- [Rule:](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-9)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-15)
- [Failure Conditions:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-14)
- [XV. SYSTEM-WIDE FAILURE CLASSES](#local-section-05-stack-f-arepo-f-inputadmissibility-xv-system-wide-failure-classes)
- [INPUT FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-input-failures)
- [STRUCTURAL FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures-3)
- [TRAVERSAL FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-traversal-failures)
- [COMPATIBILITY FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-compatibility-failures)
- [REQUEST FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-request-failures-3)
- [OUTPUT FAILURES](#local-section-05-stack-f-arepo-f-inputadmissibility-output-failures)
- [Rule:](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-10)
- [XVI. EXECUTION VALIDITY CONDITION](#local-section-05-stack-f-arepo-f-inputadmissibility-xvi-execution-validity-condition)
- [Principle:](#local-section-05-stack-f-arepo-f-inputadmissibility-principle-15)
- [Validity Formula:](#local-section-05-stack-f-arepo-f-inputadmissibility-validity-formula)
- [Interpretation:](#local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-16)
- [Rule:](#local-section-05-stack-f-arepo-f-inputadmissibility-rule-11)
- [Failure Code:](#local-section-05-stack-f-arepo-f-inputadmissibility-failure-code)
- [XVII. FUNCTION](#local-section-05-stack-f-arepo-f-inputadmissibility-xvii-function)
- [ROLE IN AGLA CLASS CHAIN](#local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain-3)
- [AREPO F:](#local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f-3)
- [SYSTEM ROLE](#local-section-05-stack-f-arepo-f-inputadmissibility-system-role-2)
- [XVIII. CLOSURE](#local-section-05-stack-f-arepo-f-inputadmissibility-xviii-closure)
- [FINAL LAW](#local-section-05-stack-f-arepo-f-inputadmissibility-final-law-2)
- [FORMAL CLOSURE](#local-section-05-stack-f-arepo-f-inputadmissibility-formal-closure)
- [FINAL STATE:](#local-section-05-stack-f-arepo-f-inputadmissibility-final-state-2)
- [Version: 0.2.0-AREPO-F-ADMISSIO-TABULAE-REWRITE](#local-section-05-stack-f-arepo-f-inputadmissibility-version-0-2-0-arepo-f-admissio-tabulae-rewrite)
<!-- LOCAL_SECTION_INDEX_END -->

END SECTION 0 — HEADER
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-i-purpose"></a>
I. PURPOSE
============================================================

Define the admissibility laws governing TABULA operations
as the pre-execution gate of REGIMEN_F.


AREPO F establishes:

    • what constitutes an admissible TABULA state
    • what constitutes an admissible traversal request
    • what must be rejected prior to OPERA
    • how TENET invariants and ROTAS topology are enforced

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-core-principle"></a>
CORE PRINCIPLE
------------------------------------------------------------


AREPO F does not:

    • execute TABULA (OPERA)
    • define TABULA identity (TENET)
    • define TABULA topology (ROTAS)


AREPO F provides:

    the boundary where structural possibility
    becomes admissible operation.

============================================================
END SECTION I
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-ii-admissibility-principle"></a>
II. ADMISSIBILITY PRINCIPLE
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-definition"></a>
Definition:
------------------------------------------------------------


An operation is admissible if and only if:

    it preserves TENET invariants
    and conforms to ROTAS topology
    and is fully specified and traceable

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-formal-concept"></a>
Formal Concept:
------------------------------------------------------------

admissible(operation) ⇔

    invariant_compliant(operation)
    ∧ topology_consistent(operation)
    ∧ fully_specified(operation)
    ∧ traceable(operation)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation"></a>
Interpretation:
------------------------------------------------------------


AREPO F distinguishes between:

    • possible (ROTAS)
    • admissible (AREPO)
    • executable (OPERA)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure"></a>
Failure:
------------------------------------------------------------

inadmissible_operation

============================================================
END SECTION II
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-iii-tabula-state-admissibility-conditions"></a>
III. TABULA STATE ADMISSIBILITY CONDITIONS
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle"></a>
Principle:
------------------------------------------------------------

AREPO F evaluates whether a TABULA state
is admissible for operation under REGIMEN_F,
based on invariant preservation and structural coherence.

AREPO does not redefine TABULA validity;
it evaluates admissibility relative to operation context.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-admissible-state-requirements"></a>
Admissible State Requirements:
------------------------------------------------------------


A state is admissible if:

    • bound to FIGURA QUARTA (TENET F)
    • structured under multiplicatio constraint
    • expressed (no pre-expression violation)
    • indexed by valid locus (ROTAS F)
    • preserves A/T separation where applicable
    • preserves generation ancestry

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-2"></a>
Interpretation:
------------------------------------------------------------


AREPO F evaluates:

    readiness of the state for lawful operation,
    not ontological or structural definition.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions"></a>
Failure Conditions:
------------------------------------------------------------

state_inadmissible
locus_inconsistency
pre_expression_violation
ancestry_break

============================================================
END SECTION III
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-iv-request-admissibility"></a>
IV. REQUEST ADMISSIBILITY
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-2"></a>
Principle:
------------------------------------------------------------

Every operation request must be validated
before being admitted to execution.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-valid-request-must-include"></a>
Valid Request Must Include:
------------------------------------------------------------

REQUEST :=
{
    origin_locus
    traversal_definition
    target_locus (optional but derivable)
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-constraints"></a>
Constraints:
------------------------------------------------------------

• origin_locus must exist
• traversal must be defined in (Δh, Δl, Δt)
• traversal must remain within cyclic bounds
• no implicit steps allowed

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-3"></a>
Interpretation:
------------------------------------------------------------


AREPO F rejects:

    • ambiguous requests
    • partially defined traversals
    • symbol-only references

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-2"></a>
Failure Conditions:
------------------------------------------------------------

missing_origin
undefined_traversal
implicit_transition
symbolic_reference_only

============================================================
END SECTION IV
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-v-failure-conditions"></a>
V. FAILURE CONDITIONS
============================================================


AREPO F must explicitly reject any operation that violates:

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-invariant-failures-tenet-f"></a>
INVARIANT FAILURES (TENET F)
------------------------------------------------------------

• ontology_injection
• non_permutation_violation
• multiplicatio_violation
• regime_isolation_violation
• A_T_collapse
• non_collapse_violation

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-topology-failures-rotas-f"></a>
TOPOLOGY FAILURES (ROTAS F)
------------------------------------------------------------

• invalid_locus_index
• axis_overflow
• cycle_break
• non_deterministic_path
• unordered_traversal

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures"></a>
STRUCTURAL FAILURES
------------------------------------------------------------

• state_inadmissible
• missing_components
• ancestry_violation
• cardinality_violation (per CARCER/TABULA structure)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-request-failures"></a>
REQUEST FAILURES
------------------------------------------------------------

• missing_origin
• undefined_traversal
• non_traceable_request
• implicit_steps
• symbolic_only_reference

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule"></a>
RULE
------------------------------------------------------------


Any detected failure:

    → must result in rejection

============================================================
END SECTION V
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-vi-admission-formula"></a>
VI. ADMISSION FORMULA
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-formal-condition"></a>
Formal Condition:
------------------------------------------------------------

valid_admission(request) ⇔

    state_admissible(request.origin_locus)
    ∧ valid_traversal(request.traversal)
    ∧ invariant_preserved(request)
    ∧ topology_preserved(request)
    ∧ traceable(request)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-4"></a>
Interpretation:
------------------------------------------------------------


Admission requires:

    • admissible origin state
    • lawful traversal definition
    • invariant preservation
    • full traceability

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-boundary"></a>
Boundary:
------------------------------------------------------------


This formula:

    • gates OPERA
    • does not execute OPERA

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-2"></a>
Failure:
------------------------------------------------------------

admission_denied

============================================================
END SECTION VI
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-vii-boundary-enforcement"></a>
VII. BOUNDARY ENFORCEMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-3"></a>
Principle:
------------------------------------------------------------

AREPO F acts as a strict gatekeeper.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rules"></a>
Rules:
------------------------------------------------------------

• No silent normalization
• No implicit correction
• No assumption of intent
• No completion of missing data

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-5"></a>
Interpretation:
------------------------------------------------------------


If a request is:

    • incomplete → reject
    • ambiguous → reject
    • inconsistent → reject

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-constraint"></a>
Constraint:
------------------------------------------------------------


All admissible operations must be:

    explicitly defined and structurally valid

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-3"></a>
Failure Conditions:
------------------------------------------------------------

silent_normalization
implicit_completion
assumption_injection

============================================================
END SECTION VII
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-viii-traceability-requirement"></a>
VIII. TRACEABILITY REQUIREMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-4"></a>
Principle:
------------------------------------------------------------

All admissible operations must be fully traceable.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-trace-structure"></a>
Trace Structure:
------------------------------------------------------------

TRACE :=
{
    origin_locus,
    traversal_sequence,
    resulting_locus
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-requirements"></a>
Requirements:
------------------------------------------------------------

• origin must be explicit
• traversal must be explicit
• resulting locus must be derivable

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-6"></a>
Interpretation:
------------------------------------------------------------


Traceability ensures:

    • reproducibility
    • auditability
    • compatibility with OPERA

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-4"></a>
Failure Conditions:
------------------------------------------------------------

trace_missing
partial_trace
non_derivable_target

============================================================
END SECTION VIII
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-ix-regime-purity-enforcement"></a>
IX. REGIME PURITY ENFORCEMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-5"></a>
Principle:
------------------------------------------------------------

AREPO F enforces REGIMEN_F isolation.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibition"></a>
Prohibition:
------------------------------------------------------------


No operation may:

    ✗ execute principial evaluation (A)
    ✗ execute relational evaluation (T)
    ✗ generate interrogatives (E/RQ)
    ✗ perform decisions (D)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-allowed"></a>
Allowed:
------------------------------------------------------------

• structural reference to other regimes
• boundary awareness

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-2"></a>
Rule:
------------------------------------------------------------


Any cross-regime execution attempt:

    → must be rejected

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-5"></a>
Failure Conditions:
------------------------------------------------------------

regime_bleed
execution_leak
cross_regime_execution

============================================================
END SECTION IX
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-x-function"></a>
X. FUNCTION
============================================================


AREPO F governs:

    • admissibility of TABULA operations
    • validation of TABULA states for operation
    • validation of traversal requests
    • enforcement of TENET invariants
    • enforcement of ROTAS topology
    • rejection of invalid operations

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain"></a>
ROLE IN AGLA CLASS CHAIN
------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f"></a>
AREPO F:

    • validates
    • admits or rejects


It does NOT:

    • define invariants (TENET)
    • define topology (ROTAS)
    • execute operations (OPERA)
    • mediate presentation (SATOR)

============================================================
END SECTION X
============================================================


============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xi-closure"></a>
XI. CLOSURE
============================================================


AREPO F establishes:

    the admissibility boundary of TABULA.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-final-law"></a>
FINAL LAW
------------------------------------------------------------


No TABULA operation may proceed to execution unless:

    it is invariant-compliant,
    topology-consistent,
    fully specified,
    and traceable.

------------------------------------------------------------


Any violation results in:

    immediate rejection.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-final-state"></a>
FINAL STATE:
    LOCK-CANDIDATE

============================================================
END AREPO F — ADMISSIO TABULAE
============================================================

============================================================
AREPO F — ADMISSIO TABULAE
Ars Generalis Applied — Admissibility Layer (REGIMEN_F)
Version: 0.2.0-AREPO-F-ADMISSIO-TABULAE-REWRITE
Status: PROPOSED / VALIDATION TARGET
Scope: TABULA admissibility, state admission, and pre-execution gating
Authority: AGLA / AREPO
Mutation Policy: VERSION-CONTROLLED ONLY
Class: AREPO
Regime: F

Depends-On:
    • TENET F — TABULA GENERALIS
    • ROTAS F — TABULA ROTUNDA

References:
    • ALBUS — TABULA / FIGURA QUARTA PROJECTION
    • CARCER — TABULA FAMILY DERIVATION PROCEDURE


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-populus-tabula"></a>
    • POPULUS — TABULA
============================================================
END SECTION 0 — HEADER
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-i-purpose-2"></a>
I. PURPOSE
============================================================

Define the admissibility laws governing TABULA operations
as the strict pre-execution gate of REGIMEN_F.


AREPO F establishes:

    • admissibility conditions for TABULA states
    • admissibility conditions for traversal requests
    • rejection criteria prior to OPERA
    • enforcement of TENET invariants and ROTAS topology

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-core-principle-2"></a>
CORE PRINCIPLE
------------------------------------------------------------

AREPO F is a rejection-oriented gate.


It does not:

    • execute TABULA (OPERA)
    • define TABULA identity (TENET)
    • define TABULA topology (ROTAS)
    • repair or complete requests
    • infer missing structure


AREPO F defines:

    the admissibility boundary
    between structural possibility and executable operation.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-mandatory-behavior"></a>
MANDATORY BEHAVIOR
------------------------------------------------------------


AREPO F must:

    • reject incomplete requests
    • reject ambiguous definitions
    • reject invariant violations
    • reject topology violations
    • reject non-traceable operations

============================================================
END SECTION I
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-ii-admissibility-principle-2"></a>
II. ADMISSIBILITY PRINCIPLE
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-definition-2"></a>
Definition:
------------------------------------------------------------


An operation is admissible if and only if:

    • TENET invariants are preserved
    • ROTAS topology is respected
    • request is fully specified
    • operation is fully traceable

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-formal-definition"></a>
Formal Definition:
------------------------------------------------------------

admissible(operation) ⇔

    invariant_compliant(operation)
    ∧ topology_consistent(operation)
    ∧ fully_specified(operation)
    ∧ traceable(operation)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-7"></a>
Interpretation:
------------------------------------------------------------


AREPO F enforces the distinction:

    possible (ROTAS)
        ≠ admissible (AREPO)
        ≠ executable (OPERA)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-3"></a>
RULE
------------------------------------------------------------


Any violation of any conjunct:

    → operation must be rejected

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-3"></a>
FAILURE
------------------------------------------------------------

inadmissible_operation

============================================================
END SECTION II
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-iii-tabula-state-admissibility-conditions-2"></a>
III. TABULA STATE ADMISSIBILITY CONDITIONS
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-6"></a>
Principle:
------------------------------------------------------------

AREPO F evaluates whether a TABULA state
is admissible for operation under REGIMEN_F.

AREPO does not define state validity.

AREPO evaluates admissibility relative to operation readiness.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-state-admissibility-requirements"></a>
State Admissibility Requirements:
------------------------------------------------------------


A state is admissible iff:

    • bound(FIGURA_QUARTA)                (TENET F)
    • locus ∈ valid ROTAS domain         (ROTAS F)
    • structure is expressed             (no pre-expression)
    • ancestry is preserved
    • A/T separation preserved where applicable
    • no structural collapse is present

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-4"></a>
RULE
------------------------------------------------------------


State must be:

    • explicit
    • typed
    • structurally anchored
    • non-ambiguous

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions"></a>
PROHIBITIONS
------------------------------------------------------------


Reject state if:

    ✗ implicit structure
    ✗ missing ancestry
    ✗ collapsed layers
    ✗ undefined locus
    ✗ symbolic-only representation

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-6"></a>
FAILURE CONDITIONS
------------------------------------------------------------

state_inadmissible
locus_inconsistency
pre_expression_violation
ancestry_break
structural_collapse

============================================================
END SECTION III
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-iv-request-admissibility-2"></a>
IV. REQUEST ADMISSIBILITY
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-7"></a>
Principle:
------------------------------------------------------------

All requests must be fully specified prior to admission.

AREPO F does not complete or infer requests.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-canonical-request-structure"></a>
Canonical Request Structure:
------------------------------------------------------------

REQUEST :=
{
    origin_locus,
    traversal_definition,
    target_locus (optional, must be derivable)
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-traversal-definition"></a>
Traversal Definition:
------------------------------------------------------------

traversal_definition :=
{
    Δh,
    Δl,
    Δt
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-constraints-2"></a>
Constraints:
------------------------------------------------------------

• origin_locus must exist and be admissible
• traversal must be explicitly defined
• traversal must be stepwise (no implicit jumps)
• traversal must remain within cyclic bounds
• traversal must be deterministic

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-2"></a>
PROHIBITIONS
------------------------------------------------------------


Reject request if:

    ✗ missing origin_locus
    ✗ undefined traversal
    ✗ implicit steps
    ✗ symbolic-only request
    ✗ non-deterministic traversal

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-7"></a>
FAILURE CONDITIONS
------------------------------------------------------------

missing_origin
undefined_traversal
implicit_transition
symbolic_reference_only
non_deterministic_request

============================================================
END SECTION IV
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-v-failure-conditions-2"></a>
V. FAILURE CONDITIONS
============================================================


AREPO F must reject any operation violating:

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-invariant-failures-tenet-f-2"></a>
INVARIANT FAILURES (TENET F)
------------------------------------------------------------

• ontology_injection
• non_permutation_violation
• multiplicatio_violation
• regime_isolation_violation
• A_T_collapse
• non_collapse_violation

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-topology-failures-rotas-f-2"></a>
TOPOLOGY FAILURES (ROTAS F)
------------------------------------------------------------

• invalid_locus_index
• axis_overflow
• cycle_break
• unordered_traversal
• non_deterministic_path

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures-2"></a>
STRUCTURAL FAILURES
------------------------------------------------------------

• state_inadmissible
• missing_components
• ancestry_violation
• cardinality_violation (per CARCER/TABULA structure)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-request-failures-2"></a>
REQUEST FAILURES
------------------------------------------------------------

• missing_origin
• undefined_traversal
• implicit_steps
• symbolic_only_reference
• non_traceable_request

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-5"></a>
RULE
------------------------------------------------------------


Upon detection:

    → immediate rejection
    → no correction
    → no continuation

============================================================
END SECTION V
============================================================

============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-vi-admission-formula-2"></a>
VI. ADMISSION FORMULA
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-formal-condition-2"></a>
Formal Condition:
------------------------------------------------------------

valid_admission(request) ⇔

    state_admissible(request.origin_locus)
    ∧ traversal_defined(request.traversal_definition)
    ∧ invariant_preserved(request)
    ∧ topology_preserved(request)
    ∧ traceable(request)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-derived-constraints"></a>
Derived Constraints:
------------------------------------------------------------

state_admissible(x) :=
    bound(FIGURA_QUARTA, x)
    ∧ valid_locus(x)
    ∧ expressed(x)
    ∧ ancestry_preserved(x)
    ∧ no_structural_collapse(x)

------------------------------------------------------------

traversal_defined(t) :=
    explicit(Δh, Δl, Δt)
    ∧ deterministic(t)
    ∧ cyclically_bounded(t)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-8"></a>
Interpretation:
------------------------------------------------------------


Admission requires:

    • admissible origin state
    • fully specified traversal
    • invariant preservation
    • topology consistency
    • complete traceability

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-boundary-2"></a>
BOUNDARY
------------------------------------------------------------


This formula:

    • authorizes OPERA execution
    • does not perform execution

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-4"></a>
FAILURE
------------------------------------------------------------

admission_denied

============================================================
END SECTION VI
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-vii-boundary-enforcement-2"></a>
VII. BOUNDARY ENFORCEMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-8"></a>
Principle:
------------------------------------------------------------

AREPO F operates as a strict, non-corrective boundary.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rules-2"></a>
RULES
------------------------------------------------------------

• No silent normalization
• No implicit correction
• No inference of intent
• No completion of missing data
• No heuristic repair

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-mandatory-behavior-2"></a>
MANDATORY BEHAVIOR
------------------------------------------------------------


If request is:

    • incomplete → reject
    • ambiguous → reject
    • inconsistent → reject
    • non-traceable → reject

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-9"></a>
INTERPRETATION
------------------------------------------------------------


AREPO F is rejection-oriented:

    it does not improve requests,
    it only accepts or rejects them.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-3"></a>
PROHIBITIONS
------------------------------------------------------------


AREPO must not:

    ✗ fill missing fields
    ✗ reinterpret malformed structures
    ✗ infer traversal paths
    ✗ repair cardinality or ancestry

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-8"></a>
FAILURE CONDITIONS
------------------------------------------------------------

silent_normalization
implicit_completion
assumption_injection
heuristic_repair

============================================================
END SECTION VII
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-viii-traceability-requirement-2"></a>
VIII. TRACEABILITY REQUIREMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-9"></a>
Principle:
------------------------------------------------------------

All admissible operations must be fully traceable.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-trace-structure-2"></a>
Trace Structure:
------------------------------------------------------------

TRACE :=
{
    origin_locus,
    traversal_sequence,
    resulting_locus,
    step_sequence,
    axis_deltas
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-requirements-2"></a>
Requirements:
------------------------------------------------------------

• origin_locus must be explicit
• traversal_sequence must be explicit
• resulting_locus must be derivable
• each step must be reconstructible
• axis transitions must be explicit (Δh, Δl, Δt)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-6"></a>
RULE
------------------------------------------------------------


No operation is admissible if:

    • origin cannot be reconstructed
    • traversal cannot be replayed
    • result cannot be derived from traversal

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-10"></a>
INTERPRETATION
------------------------------------------------------------


Traceability ensures:

    • reproducibility
    • auditability
    • compatibility with OPERA

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-9"></a>
FAILURE CONDITIONS
------------------------------------------------------------

trace_missing
partial_trace
non_derivable_target
step_ambiguity

============================================================
END SECTION VIII
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-ix-regime-purity-enforcement-2"></a>
IX. REGIME PURITY ENFORCEMENT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-10"></a>
Principle:
------------------------------------------------------------

AREPO F enforces strict REGIMEN_F isolation.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-4"></a>
PROHIBITIONS
------------------------------------------------------------


No operation may:

    ✗ execute principial evaluation (TENET A)
    ✗ execute relational evaluation (TENET T)
    ✗ generate interrogatives (REGIMEN_E / RQ)
    ✗ perform decisions (REGIMEN_D)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-allowed-2"></a>
ALLOWED
------------------------------------------------------------

• structural references to other regimes
• boundary-awareness checks
• dependency validation

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-7"></a>
RULE
------------------------------------------------------------


Any attempt to perform cross-regime execution:

    → must be rejected

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-11"></a>
INTERPRETATION
------------------------------------------------------------


AREPO F is:

    • pre-execution
    • non-evaluative
    • non-decisional

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-10"></a>
FAILURE CONDITIONS
------------------------------------------------------------

regime_bleed
execution_leak
cross_regime_execution

============================================================
END SECTION IX
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-x-function-2"></a>
X. FUNCTION
============================================================


AREPO F governs:

    • admissibility of TABULA operations
    • validation of TABULA states for execution readiness
    • validation of traversal requests
    • enforcement of TENET F invariants
    • enforcement of ROTAS F topology
    • rejection of invalid operations
    • enforcement of traceability

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain-2"></a>
ROLE IN AGLA CLASS CHAIN
------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f-2"></a>
AREPO F:

    • validates
    • admits or rejects


It does NOT:

    • define invariants (TENET)
    • define topology (ROTAS)
    • execute operations (OPERA)
    • mediate presentation (SATOR)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-system-role"></a>
SYSTEM ROLE
------------------------------------------------------------


AREPO F is:

    • the admissibility kernel
    • the pre-execution gate
    • the rejection authority for REGIMEN_F

============================================================
END SECTION X
============================================================

============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xi-admission-output-contract"></a>
XI. ADMISSION OUTPUT CONTRACT
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-11"></a>
Principle:
------------------------------------------------------------

AREPO F must emit explicit admission results
for every evaluated request.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-admissibility-output"></a>
Admissibility Output:
------------------------------------------------------------

AREPO_ADMISSION :=
{
    status: ADMITTED | REJECTED,
    evaluated_request,
    origin_locus,
    traversal_definition,
    validation_trace,
    violations[],
    blocking: true | false
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rules-3"></a>
Rules:
------------------------------------------------------------

• status must always be explicit
• violations must be enumerated if REJECTED
• validation_trace must preserve evaluation steps
• blocking must reflect execution eligibility

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-12"></a>
Interpretation:
------------------------------------------------------------

AREPO does not return partial success.


Every evaluation results in:

    • ADMITTED
    • or REJECTED

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-11"></a>
Failure Conditions:
------------------------------------------------------------

admission_output_missing
ambiguous_status
silent_rejection

============================================================
END SECTION XI
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xii-pre-execution-gate-opera-f"></a>
XII. PRE-EXECUTION GATE (OPERA F)
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-12"></a>
Principle:
------------------------------------------------------------

No OPERA F execution may proceed without AREPO admission.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-preconditions"></a>
Preconditions:
------------------------------------------------------------


must_pass:

    • state_admissible(origin_locus)
    • traversal_defined(traversal_definition)
    • invariant_preserved
    • topology_preserved
    • traceable

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-gate-function"></a>
Gate Function:
------------------------------------------------------------


admit_TABULA_request(request):


    if valid_admission(request):
        return ADMITTED


    else:
        return REJECTED with violations

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-8"></a>
Rule:
------------------------------------------------------------


OPERA must not:

    • bypass AREPO
    • execute on REJECTED status
    • execute on partial validation

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-13"></a>
Interpretation:
------------------------------------------------------------


AREPO F is:

    the mandatory gateway to OPERA F

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-12"></a>
Failure Conditions:
------------------------------------------------------------

AREPO_BYPASS
PRE_EXECUTION_FAILURE
UNAUTHORIZED_EXECUTION

============================================================
END SECTION XII
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xiii-diagnostic-interface"></a>
XIII. DIAGNOSTIC INTERFACE
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-13"></a>
Principle:
------------------------------------------------------------

AREPO F must provide explicit diagnostic feedback.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-diagnostic-structure"></a>
Diagnostic Structure:
------------------------------------------------------------

AREPO_REPORT :=
{
    status: PASS | FAIL,
    stage,
    violations[],
    severity,
    blocking: true | false,
    evaluated_components[],
    trace_reference
}

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rules-4"></a>
Rules:
------------------------------------------------------------


Diagnostics must:

    • identify all violations
    • specify evaluation stage
    • preserve structural context
    • remain non-corrective

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-prohibitions-5"></a>
Prohibitions:
------------------------------------------------------------

✗ silent failure  
✗ implicit correction  
✗ heuristic repair  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-14"></a>
Interpretation:
------------------------------------------------------------


Diagnostics expose:

    failure causes
    without altering input

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-13"></a>
Failure Conditions:
------------------------------------------------------------

diagnostic_missing
ambiguous_error
silent_failure

============================================================
END SECTION XIII
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xiv-non-collapse-law-arepo-extended"></a>
XIV. NON-COLLAPSE LAW (AREPO EXTENDED)
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-14"></a>
Principle:
------------------------------------------------------------

AREPO F must enforce strict structural separation
across TABULA layers.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-required-distinctions"></a>
Required Distinctions:
------------------------------------------------------------

COLUMN ≠ FAMILY  
FAMILY ≠ ENTRY  
ENTRY ≠ CAMERA  
CAMERA ≠ QUESTION  
TABULA ≠ EVACUATIO  
TABULA ≠ MULTIPLICATIO  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-9"></a>
Rule:
------------------------------------------------------------


No admissible structure may collapse:

    • marker into camera
    • camera into question
    • tabula into lookup table
    • triadic into binary
    • interrogative into condition-space

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-15"></a>
Interpretation:
------------------------------------------------------------


Structural integrity depends on:

    preserved hierarchy
    preserved typing
    preserved generative order

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-conditions-14"></a>
Failure Conditions:
------------------------------------------------------------

layer_collapse
type_erasure
structural_flattening

============================================================
END SECTION XIV
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xv-system-wide-failure-classes"></a>
XV. SYSTEM-WIDE FAILURE CLASSES
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-input-failures"></a>
INPUT FAILURES
------------------------------------------------------------

INVALID_COLUMN  
INVALID_ENTRY  
UNTYPED_STRUCTURE  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-structural-failures-3"></a>
STRUCTURAL FAILURES
------------------------------------------------------------

CARDINALITY_ERROR  
A_T_COLLAPSE  
GENERATION_REVERSAL  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-traversal-failures"></a>
TRAVERSAL FAILURES
------------------------------------------------------------

RANDOM_TRAVERSAL  
CYCLE_BREAK  
TRACE_BREAK  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-compatibility-failures"></a>
COMPATIBILITY FAILURES
------------------------------------------------------------

EVACUATIO_OVERRIDE  
MULTIPLICATIO_COLLAPSE  
ROTA_MISMATCH  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-request-failures-3"></a>
REQUEST FAILURES
------------------------------------------------------------

MISSING_ORIGIN  
UNDEFINED_TRAVERSAL  
IMPLICIT_STEPS  
SYMBOLIC_ONLY_REFERENCE  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-output-failures"></a>
OUTPUT FAILURES
------------------------------------------------------------

OUTPUT_INCOMPLETE  
OUTPUT_UNTRACEABLE  
OUTPUT_UNTYPED  

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-10"></a>
Rule:
------------------------------------------------------------


All failures must be:

    • explicit
    • typed
    • non-silent

============================================================
END SECTION XV
============================================================

============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xvi-execution-validity-condition"></a>
XVI. EXECUTION VALIDITY CONDITION
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-principle-15"></a>
Principle:
------------------------------------------------------------

TABULA execution is valid if and only if
all admissibility conditions hold under AREPO F.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-validity-formula"></a>
Validity Formula:
------------------------------------------------------------

valid_TABULA(request) ⇔

    admitted_by_AREPO
    ∧ bound(FIGURA_QUARTA)
    ∧ state_admissible(origin_locus)
    ∧ traversal_defined(traversal_definition)
    ∧ invariant_preserved
    ∧ topology_preserved
    ∧ traceable(request)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-interpretation-16"></a>
Interpretation:
------------------------------------------------------------


Execution validity is:

    • structural
    • typological
    • topological
    • traceable
    • non-heuristic

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-rule-11"></a>
Rule:
------------------------------------------------------------


If any component is false:

    → execution is invalid
    → operation must not proceed

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-failure-code"></a>
Failure Code:
------------------------------------------------------------

TABULA_EXECUTION_INVALID

============================================================
END SECTION XVI
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xvii-function"></a>
XVII. FUNCTION
============================================================


AREPO F governs:

    • admissibility of TABULA operations
    • validation of TABULA states for execution readiness
    • validation of traversal definitions
    • enforcement of TENET F invariants
    • enforcement of ROTAS F topology
    • rejection of invalid or incomplete operations
    • enforcement of full traceability
    • emission of admissibility diagnostics

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-role-in-agla-class-chain-3"></a>
ROLE IN AGLA CLASS CHAIN
------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-arepo-f-3"></a>
AREPO F:

    • validates
    • admits or rejects


It does NOT:

    • define invariants (TENET)
    • define topology (ROTAS)
    • execute operations (OPERA)
    • mediate outputs (SATOR)

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-system-role-2"></a>
SYSTEM ROLE
------------------------------------------------------------


AREPO F is:

    • the admissibility kernel of REGIMEN_F
    • the mandatory pre-execution gate
    • the authority preventing invalid execution

============================================================
END SECTION XVII
============================================================
============================================================


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-xviii-closure"></a>
XVIII. CLOSURE
============================================================

TABULA, under AREPO F, is:

    a strictly governed admissible structure,
    whose integrity must be validated
    before any execution or traversal occurs.

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-final-law-2"></a>
FINAL LAW
------------------------------------------------------------


No TABULA operation may:

    • execute
    • traverse
    • project


unless it satisfies:

    invariant_compliance
    ∧ topology_consistency
    ∧ full specification
    ∧ traceability

------------------------------------------------------------


Any violation results in:

    immediate rejection

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-formal-closure"></a>
FORMAL CLOSURE
------------------------------------------------------------

AREPO F :=
    admissibility kernel
    for TABULA operational boundary

------------------------------------------------------------


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-final-state-2"></a>
FINAL STATE:
    VALIDATION TARGET

============================================================
END AREPO F — ADMISSIO TABULAE


<a id="local-section-05-stack-f-arepo-f-inputadmissibility-version-0-2-0-arepo-f-admissio-tabulae-rewrite"></a>
Version: 0.2.0-AREPO-F-ADMISSIO-TABULAE-REWRITE
============================================================

