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The structure of bundles the factorization property on the positive reals under multiplication with the calibrated J-cost. Researchers deriving the Recognition Composition Law from ledger axioms cite it as the interface between substitutivity and the RCL. The definition directly assembles contextual substitutivity and regrouping invariance into a single object.

claimLet $G = (ℝ_+, ×)$ be the positive reals under multiplication equipped with the J-cost calibration. The structure of consists of contextual substitutivity (replacing any subcomparison by a cost-equivalent one leaves total cost unchanged) together with regrouping invariance (cost of any triple comparison is independent of parenthesization).

background

The module derives the factorization property, and hence the Recognition Composition Law, from two primitive ledger axioms. Contextual substitutivity requires that cost-equivalent replacements inside a comparison do not alter the total J-cost. Regrouping invariance requires that the J-cost of a triple comparison is independent of parenthesization. These two properties together force the combiner to satisfy the FactorizationAssociativityGate, after which gate_forces_rcl yields the RCL polynomial exactly. Upstream results include the structure of J-cost from PhiForcingDerived.of, the spectral emergence of gauge content and generations from SpectralEmergence.of, and the external calibration map from SingleAnchor.calibration.

proof idea

As a definition the construction is a direct packaging of the two supplied properties into one structure. No lemmas are invoked inside the body; the object is simply the pair of contextual substitutivity and regrouping invariance, ready for use by ledger_forces_rcl and downstream theorems.

why it matters in Recognition Science

This definition supplies the missing link from the two ledger primitives to the RCL, which is then consumed by energyConservationCert, costRateEL_const_one, and the full suite of Euler-Lagrange results. It occupies the precise step in the foundation chain that converts substitutivity and invariance into the composition law required for the forcing sequence T5–T8. The declaration therefore closes one segment of the path from the single functional equation to the observed constants and dimensions.

scope and limits

formal statement (Lean)

  42structure of `(ℝ₊, ×)` and the calibration of `J`. -/

used by (40)

From the project-wide theorem graph. These declarations reference this one in their body.

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depends on (6)

Lean names referenced from this declaration's body.