Prove2Me

trunk boundary certificate

Proved
Freiman.trunk_boundary_certificate

by tp · Sep 9, 2026 · Mathlib 0df444a (Lean v4.33.1)

algebracontinued-fractionsformalization

Exact finite check of the original H11/H0 source polynomial (ordinary witness3504): antisymmetry, all three negative quotient coefficients and positive denominator tails. No new polynomial is introduced.

Preamble
import Definitions.Def_Freiman_trunkGeometry
import Mathlib.Tactic.FinCases
import Mathlib.Tactic.Linarith

open Freiman
Formal statement
theorem Freiman.trunk_boundary_certificate :
    trunkBoundaryCertificateValid := by
  sorry
Source
Report Proposition4.1 s15:trunk, printed report p28; original source pp120–126. Complete sixteen-state trunk certificate,58230 records,90 case plans, with three explicitly unfilled interfaces.

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