Freiman lower construction: entry child orientation
ProvedFreiman.lower_entry_child_orientationfreimanlower-construction
Six exact full-width ratio enclosures from h_core.json determine the wider side of every child; this is a finite rational box calculation.
Preamble
import Definitions.Def_Freiman_lowerInitialEntry import Definitions.Def_Freiman_lowerCertificates import Mathlib.Tactic.Linarith import Mathlib.Tactic.Push open Freiman
Formal statement
theorem Freiman.lower_entry_child_orientation (p : LowerPair) (hd : lowerEntryDomain p) (hn : lowerNormalize p = p) : lowerEntryChildOrientation p := by sorry
Source
Freiman's Hall ray: Proof report and corrected English text (8 September 2026), parts/lower_core.tex, prop:lc-H-entry; source H certificate appendix