trunk bindings 09 200 260

Proved

Freiman.trunk_bindings_09_200_260

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

algebracontinued-fractionsformalization

State ['3', '2'], grouped rows 200–259: exact source branch indices, every parent index, witness-bound membership and rectangle/subrectangle binding.

Preamble

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

open Freiman

Formal statement

theorem Freiman.trunk_bindings_09_200_260 :
    trunkBindingBatch 9 200 260 := 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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