============================================================
ROTAS F — TABULA ROTUNDA
Ars Generalis Applied — Topological Layer (REGIMEN_F)
Version: 0.3.0-ROTAS-F-TABULA-ROTUNDA-NORMALIZED
Status: PROPOSED / VALIDATION TARGET
Scope: TABULA topology, locus system, traversal structure, cyclic indexing
Authority: ROTAS
Mutation Policy: VERSION-CONTROLLED ONLY
Class: ROTAS
Regime: F
Depends-On:
    • TENET F — TABULA GENERALIS
    • FIGURA QUARTA (indirect via TABULA)
    • ORDER CARRIER REGISTRY (for locus discipline)
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-rotas-f-structuralinstantiation-i-purpose)
- [CORE PRINCIPLE](#local-section-05-stack-f-rotas-f-structuralinstantiation-core-principle)
- [II. MACHINE TOPOLOGY](#local-section-05-stack-f-rotas-f-structuralinstantiation-ii-machine-topology)
- [Formal Topology:](#local-section-05-stack-f-rotas-f-structuralinstantiation-formal-topology)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties)
- [Closure Law:](#local-section-05-stack-f-rotas-f-structuralinstantiation-closure-law)
- [Interpretation:](#local-section-05-stack-f-rotas-f-structuralinstantiation-interpretation)
- [III. LOCUS SYSTEM](#local-section-05-stack-f-rotas-f-structuralinstantiation-iii-locus-system)
- [Definition:](#local-section-05-stack-f-rotas-f-structuralinstantiation-definition)
- [Formal Identity:](#local-section-05-stack-f-rotas-f-structuralinstantiation-formal-identity)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-2)
- [Rule — LOCUS PRIMACY:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule-locus-primacy)
- [Constraint:](#local-section-05-stack-f-rotas-f-structuralinstantiation-constraint)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions)
- [IV. COLUMN AXIS (HEPTADIC CYCLE)](#local-section-05-stack-f-rotas-f-structuralinstantiation-iv-column-axis-heptadic-cycle)
- [Definition:](#local-section-05-stack-f-rotas-f-structuralinstantiation-definition-2)
- [Canonical Order:](#local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-3)
- [Traversal Law:](#local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law)
- [Role:](#local-section-05-stack-f-rotas-f-structuralinstantiation-role)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-2)
- [V. LINE AXIS (HEXADIC CYCLE)](#local-section-05-stack-f-rotas-f-structuralinstantiation-v-line-axis-hexadic-cycle)
- [Definition:](#local-section-05-stack-f-rotas-f-structuralinstantiation-definition-3)
- [Canonical Order (per column XYZ):](#local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order-per-column-xyz)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-4)
- [Traversal Law:](#local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law-2)
- [Role:](#local-section-05-stack-f-rotas-f-structuralinstantiation-role-2)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-3)
- [VI. SUFFIX AXIS (TRIADIC CYCLE)](#local-section-05-stack-f-rotas-f-structuralinstantiation-vi-suffix-axis-triadic-cycle)
- [Definition:](#local-section-05-stack-f-rotas-f-structuralinstantiation-definition-4)
- [Canonical Order:](#local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order-2)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-5)
- [Traversal Law:](#local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law-3)
- [Role:](#local-section-05-stack-f-rotas-f-structuralinstantiation-role-3)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-4)
- [VII. STRUCTURAL BINDING TO TABULA](#local-section-05-stack-f-rotas-f-structuralinstantiation-vii-structural-binding-to-tabula)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle)
- [Mapping:](#local-section-05-stack-f-rotas-f-structuralinstantiation-mapping)
- [Interpretation:](#local-section-05-stack-f-rotas-f-structuralinstantiation-interpretation-2)
- [Rule:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule)
- [Constraint:](#local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-2)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-5)
- [VIII. TRAVERSAL STRUCTURE](#local-section-05-stack-f-rotas-f-structuralinstantiation-viii-traversal-structure)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle-2)
- [Traversal Form:](#local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-form)
- [Axis Independence:](#local-section-05-stack-f-rotas-f-structuralinstantiation-axis-independence)
- [Examples (non-exhaustive):](#local-section-05-stack-f-rotas-f-structuralinstantiation-examples-non-exhaustive)
- [Constraint:](#local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-3)
- [Boundary:](#local-section-05-stack-f-rotas-f-structuralinstantiation-boundary)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-6)
- [IX. INDEXING DISCIPLINE](#local-section-05-stack-f-rotas-f-structuralinstantiation-ix-indexing-discipline)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle-3)
- [Formal Index:](#local-section-05-stack-f-rotas-f-structuralinstantiation-formal-index)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-6)
- [Rule — INDEX PRIMACY:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule-index-primacy)
- [Constraint:](#local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-4)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-7)
- [X. CYCLIC INTEGRITY](#local-section-05-stack-f-rotas-f-structuralinstantiation-x-cyclic-integrity)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle-4)
- [Closure Laws:](#local-section-05-stack-f-rotas-f-structuralinstantiation-closure-laws)
- [COLUMN:](#local-section-05-stack-f-rotas-f-structuralinstantiation-column)
- [LINE:](#local-section-05-stack-f-rotas-f-structuralinstantiation-line)
- [SUFFIX:](#local-section-05-stack-f-rotas-f-structuralinstantiation-suffix)
- [COMBINED:](#local-section-05-stack-f-rotas-f-structuralinstantiation-combined)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-7)
- [Rule:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule-2)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-8)
- [XI. STRUCTURAL TRACEABILITY](#local-section-05-stack-f-rotas-f-structuralinstantiation-xi-structural-traceability)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle-5)
- [Trace Form:](#local-section-05-stack-f-rotas-f-structuralinstantiation-trace-form)
- [Properties:](#local-section-05-stack-f-rotas-f-structuralinstantiation-properties-8)
- [Rule:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule-3)
- [Constraint:](#local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-5)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-9)
- [XII. NON-PERMUTATION ENFORCEMENT](#local-section-05-stack-f-rotas-f-structuralinstantiation-xii-non-permutation-enforcement)
- [Principle:](#local-section-05-stack-f-rotas-f-structuralinstantiation-principle-6)
- [Mechanism:](#local-section-05-stack-f-rotas-f-structuralinstantiation-mechanism)
- [Interpretation:](#local-section-05-stack-f-rotas-f-structuralinstantiation-interpretation-3)
- [Rule:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rule-4)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-10)
- [XIII. BOUNDARY CONDITIONS](#local-section-05-stack-f-rotas-f-structuralinstantiation-xiii-boundary-conditions)
- [ROTAS F must:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f-must)
- [ROTAS F must not:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f-must-not)
- [Layer Integrity:](#local-section-05-stack-f-rotas-f-structuralinstantiation-layer-integrity)
- [Failure Conditions:](#local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-11)
- [XIV. FUNCTION](#local-section-05-stack-f-rotas-f-structuralinstantiation-xiv-function)
- [ROLE IN AGLA CLASS CHAIN](#local-section-05-stack-f-rotas-f-structuralinstantiation-role-in-agla-class-chain)
- [ROTAS F:](#local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f)
- [XV. CLOSURE](#local-section-05-stack-f-rotas-f-structuralinstantiation-xv-closure)
- [FINAL LAW](#local-section-05-stack-f-rotas-f-structuralinstantiation-final-law)
- [FINAL STATE:](#local-section-05-stack-f-rotas-f-structuralinstantiation-final-state)
<!-- LOCAL_SECTION_INDEX_END -->

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


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

Define the topological instantiation of TABULA as a
traversable, cyclic, locus-structured system under ROTAS.


This artifact establishes:

    • machine-topology of TABULA
    • locus identity and positional primacy
    • lawful traversal potential (non-executive)
    • cyclic indexing and closure
    • structural binding of TABULA to topology

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


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


ROTAS F does not:

    • execute TABULA (OPERA)
    • validate TABULA (AREPO)
    • redefine TABULA (TENET / ALBUS)


ROTAS F provides:

    the topology through which TABULA becomes
    structurally traversable.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-ii-machine-topology"></a>
II. MACHINE TOPOLOGY
============================================================

ROTAS F instantiates TABULA as a nested cyclic topology

composed of three ordered axes:

    • column axis (heptadic)
    • line axis (hexadic)
    • suffix axis (triadic)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-formal-topology"></a>
Formal Topology:
------------------------------------------------------------

TOPOLOGY :=
    COLUMN_CYCLE (7)
    × LINE_CYCLE (6)
    × SUFFIX_CYCLE (3)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties"></a>
Properties:
------------------------------------------------------------

• finite
• discrete
• ordered
• cyclic
• non-permutative

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-closure-law"></a>
Closure Law:
------------------------------------------------------------


For any axis A:

    traverse(A, n) → return_to_origin(A)

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


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

TABULA is instantiated as a multi-axis cyclic structure,
where each axis preserves independent ordering and
combined positional determinacy.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-iii-locus-system"></a>
III. LOCUS SYSTEM
============================================================


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

LOCUS := minimal positional unit in ROTAS topology

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-formal-identity"></a>
Formal Identity:
------------------------------------------------------------

locus := (h, l, t)


where:

    h ∈ COLUMN_INDEX (1..7)
    l ∈ LINE_INDEX (1..6)
    t ∈ SUFFIX_INDEX (1..3)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-2"></a>
Properties:
------------------------------------------------------------

• position-first identity
• independent of symbol
• stable across traversals
• uniquely identifiable

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rule-locus-primacy"></a>
Rule — LOCUS PRIMACY:
------------------------------------------------------------


locus identity precedes:

    • symbolic content
    • camera assignment
    • interpretative mapping

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


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

No TABULA element may be referenced
without a corresponding locus.

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


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

anonymous_position
symbol_without_locus
positional_ambiguity

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-iv-column-axis-heptadic-cycle"></a>
IV. COLUMN AXIS (HEPTADIC CYCLE)
============================================================


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

COLUMN_CYCLE := ordered set of 7 loci

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order"></a>
Canonical Order:
------------------------------------------------------------

1: BCD
2: CDE
3: DEF
4: EFG
5: FGH
6: GHI
7: HIK

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-3"></a>
Properties:
------------------------------------------------------------

• cyclic
• ordered
• non-permutative
• closed

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law"></a>
Traversal Law:
------------------------------------------------------------

next(h) := (h mod 7) + 1

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-role"></a>
Role:
------------------------------------------------------------


COLUMN axis defines:

    • primary partition of TABULA
    • family origin locus
    • outer cycle of traversal

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


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

column_permutation
order_violation
cycle_break

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-v-line-axis-hexadic-cycle"></a>
V. LINE AXIS (HEXADIC CYCLE)
============================================================


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-definition-3"></a>
Definition:
------------------------------------------------------------

LINE_CYCLE := ordered set of 6 loci within a column

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order-per-column-xyz"></a>
Canonical Order (per column XYZ):
------------------------------------------------------------

1: XY
2: YX
3: XZ
4: ZX
5: YZ
6: ZY

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-4"></a>
Properties:
------------------------------------------------------------

• ordered
• directional (pair polarity preserved)
• cyclic
• invariant across columns

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law-2"></a>
Traversal Law:
------------------------------------------------------------

next(l) := (l mod 6) + 1

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-role-2"></a>
Role:
------------------------------------------------------------


LINE axis defines:

    • ordered-pair structure
    • internal relational partition
    • intermediate traversal layer

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


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

pair_reordering
polarity_loss
axis_collapse

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-vi-suffix-axis-triadic-cycle"></a>
VI. SUFFIX AXIS (TRIADIC CYCLE)
============================================================


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-definition-4"></a>
Definition:
------------------------------------------------------------

SUFFIX_CYCLE := ordered set of 3 loci per line

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-canonical-order-2"></a>
Canonical Order:
------------------------------------------------------------

t1 := X
t2 := Y
t3 := Z

(where X,Y,Z belong to active column)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-5"></a>
Properties:
------------------------------------------------------------

• column-dependent
• cyclic
• ordered
• non-permutative

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-law-3"></a>
Traversal Law:
------------------------------------------------------------

next(t) := (t mod 3) + 1

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-role-3"></a>
Role:
------------------------------------------------------------


SUFFIX axis defines:

    • triadic modulation of each line
    • final positional refinement
    • completion of locus identity

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


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

suffix_permutation
column_detachment
cycle_break

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-vii-structural-binding-to-tabula"></a>
VII. STRUCTURAL BINDING TO TABULA
============================================================


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

ROTAS instantiates TABULA by binding its structure
to locus coordinates.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-mapping"></a>
Mapping:
------------------------------------------------------------

column → COLUMN_INDEX (h)

family entry → (l, t)

full camera → (h, l, t) with A A t T structure

marker → (h, boundary position)

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


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


TABULA becomes traversable when:

    • each column is assigned to h
    • each ordered pair to l
    • each suffix to t

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rule"></a>
Rule:
------------------------------------------------------------


Binding must preserve:

    • generation ancestry (TENET F)
    • A/T separation (camera structure)
    • family cardinality (via CARCER)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-2"></a>
Constraint:
------------------------------------------------------------


ROTAS must not:

    • alter TABULA structure
    • redefine family composition
    • generate new entries

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


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

binding_distortion
structure_override
generation_interference

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-viii-traversal-structure"></a>
VIII. TRAVERSAL STRUCTURE
============================================================


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

ROTAS defines traversal potential over TABULA,
not execution.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-traversal-form"></a>
Traversal Form:
------------------------------------------------------------

traverse := (Δh, Δl, Δt)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-axis-independence"></a>
Axis Independence:
------------------------------------------------------------


Each axis may be traversed:

    • independently
    • sequentially
    • in composed paths

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-examples-non-exhaustive"></a>
Examples (non-exhaustive):
------------------------------------------------------------

• column walk: (Δh ≠ 0, Δl = 0, Δt = 0)
• line walk:   (Δh = 0, Δl ≠ 0, Δt = 0)
• suffix walk: (Δh = 0, Δl = 0, Δt ≠ 0)
• composite:   (Δh ≠ 0, Δl ≠ 0, Δt ≠ 0)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-3"></a>
Constraint:
------------------------------------------------------------


Traversal must preserve:

    • locus identity
    • axis ordering
    • non-permutation law

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


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

ROTAS defines possible paths.
OPERA selects and executes paths.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-6"></a>
Failure Conditions:
------------------------------------------------------------

path_non_determinism
axis_collapse
unordered_traversal

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-ix-indexing-discipline"></a>
IX. INDEXING DISCIPLINE
============================================================


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

Indexing in ROTAS is locus-based, not symbol-based.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-formal-index"></a>
Formal Index:
------------------------------------------------------------

INDEX := (h, l, t)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-6"></a>
Properties:
------------------------------------------------------------

• stable
• reproducible
• independent of representation
• primary reference system

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rule-index-primacy"></a>
Rule — INDEX PRIMACY:
------------------------------------------------------------


All TABULA references must be resolvable as:

    INDEX → element


never:

    element → inferred position

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-4"></a>
Constraint:
------------------------------------------------------------


Indexing must not:

    • allow reordering
    • allow aliasing without mapping
    • depend on symbolic naming

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-7"></a>
Failure Conditions:
------------------------------------------------------------

index_loss
symbolic_override
non_deterministic_reference

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-x-cyclic-integrity"></a>
X. CYCLIC INTEGRITY
============================================================


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

All axes and composite traversals must be cyclically closed.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-closure-laws"></a>
Closure Laws:
------------------------------------------------------------


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-column"></a>
COLUMN:
    7 steps → return


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-line"></a>
LINE:
    6 steps → return


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-suffix"></a>
SUFFIX:
    3 steps → return


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-combined"></a>
COMBINED:
    lcm(7,6,3) = 42-step composite cycles (per dimension interaction)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-7"></a>
Properties:
------------------------------------------------------------

• no terminal states
• no dead ends
• deterministic return

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


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


Traversal must never produce:

    • open sequences
    • broken cycles
    • unreachable loci

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-8"></a>
Failure Conditions:
------------------------------------------------------------

cycle_break
dead_state
non_returnable_path

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-xi-structural-traceability"></a>
XI. STRUCTURAL TRACEABILITY
============================================================


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

Every locus and traversal must be traceable.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-trace-form"></a>
Trace Form:
------------------------------------------------------------

TRACE :=
{
    origin_locus,
    traversal_sequence,
    resulting_locus
}

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-properties-8"></a>
Properties:
------------------------------------------------------------

• deterministic
• reproducible
• complete
• non-ambiguous

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rule-3"></a>
Rule:
------------------------------------------------------------


No TABULA operation may occur without:

    • explicit locus origin
    • explicit traversal definition

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-constraint-5"></a>
Constraint:
------------------------------------------------------------


Trace must preserve:

    • axis decomposition (h, l, t)
    • ordering
    • identity continuity

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-9"></a>
Failure Conditions:
------------------------------------------------------------

trace_loss
implicit_transition
state_ambiguity

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-xii-non-permutation-enforcement"></a>
XII. NON-PERMUTATION ENFORCEMENT
============================================================


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

ROTAS enforces the non-permutation law structurally.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-mechanism"></a>
Mechanism:
------------------------------------------------------------

• fixed axis ordering
• bounded cycles
• locus-index constraints

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


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


No valid traversal may:

    • reorder columns arbitrarily
    • reorder lines within column
    • reorder suffixes within line

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rule-4"></a>
Rule:
------------------------------------------------------------


All movement must be:

    stepwise within defined cycles

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-failure-conditions-10"></a>
Failure Conditions:
------------------------------------------------------------

free_permutation
unordered_jump
axis_override

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-xiii-boundary-conditions"></a>
XIII. BOUNDARY CONDITIONS
============================================================


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f-must"></a>
ROTAS F must:
------------------------------------------------------------

• define topology only
• preserve TABULA invariants (TENET F)
• bind TABULA structure to loci
• define traversal potential
• enforce cyclic integrity
• enforce index primacy
• preserve non-permutation

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f-must-not"></a>
ROTAS F must not:
------------------------------------------------------------

✗ execute traversal (OPERA)
✗ validate states (AREPO)
✗ redefine TABULA (TENET / ALBUS)
✗ derive families (CARCER)
✗ mediate interpretation (SATOR)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-layer-integrity"></a>
Layer Integrity:
------------------------------------------------------------

TENET ≠ ROTAS ≠ AREPO ≠ OPERA ≠ SATOR

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


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

class_leakage
execution_intrusion
validation_intrusion
topology_override

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-xiv-function"></a>
XIV. FUNCTION
============================================================


ROTAS F governs:

    • machine-topology of TABULA
    • locus system and positional identity
    • cyclic structure and closure
    • traversal potential (non-executive)
    • indexing discipline
    • structural traceability

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


TABULA is instantiated here as:

    a locus-indexed cyclic topology
    composed of column, line, and suffix axes

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


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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-rotas-f"></a>
ROTAS F:

    • instantiates structure
    • enables traversal


It does NOT:

    • define invariants (TENET)
    • validate admissibility (AREPO)
    • execute operations (OPERA)
    • mediate representation (SATOR)

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-xv-closure"></a>
XV. CLOSURE
============================================================


ROTAS F establishes:

    a fully ordered, cyclic, and traceable topology
    over which TABULA becomes structurally operable.

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


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


TABULA becomes traversable only when:

    bound to a locus system
    structured by cyclic axes
    and constrained by non-permutative topology.

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


ROTAS F defines:

    how TABULA is arranged in space of traversal


but not:

    how it is executed,
    how it is validated,
    or how it is interpreted.

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


<a id="local-section-05-stack-f-rotas-f-structuralinstantiation-final-state"></a>
FINAL STATE:
    PROPOSED / READY FOR VALIDATION

============================================================
END ROTAS F — TABULA ROTUNDA
============================================================


