IndisputableMonolith.Relativity.ILG.FRW

   1import Mathlib
   2
   3namespace IndisputableMonolith
   4namespace Relativity
   5namespace ILG
   6
   7/-- Hypothesis: the ILG→FRW calibration step has been performed.
   8
   9This module is intentionally *model-level*: we keep the calibration as an explicit
  10assumption until a full derivation/certificate is formalized in Lean.
  11-/
  12def FRWCalibrated_hypothesis : Prop :=
  13  ∃ (a rho_matter rho_psi : ℝ → ℝ),
  14    (∀ t, a t ≠ 0) ∧
  15      (∀ t, (deriv a t / a t) ^ 2 = (8 * Real.pi / 3) * (rho_matter t + rho_psi t))
  16
  17end ILG
  18end Relativity
  19end IndisputableMonolith
  20