Prove2Me

trunk raw geometry

Open
Freiman.trunk_raw_geometry

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

algebracontinued-fractionsformalization

Complete pp120–126 finite geometry: every active source plan has nonempty strict-good children, all recorded contacts and both parent anchors; only the three explicitly named insertion interfaces remain open for their separate source branches.

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

open Freiman
Formal statement
theorem Freiman.trunk_raw_geometry :
    TrunkGeometryLaw := 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.

View graph