Freiman lower construction: entry virtual nn
ProvedFreiman.lower_entry_virtual_nnfreimanlower-construction
The sole virtual NN endpoint: exact source lower width ratios2998375/1672704 and4036065625/2475596544 exclude both shortened alternatives for physical suffixes3,111. No generic tie case is silently discarded.
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_virtual_nn (p : LowerPair) (hd : lowerEntryDomain p) : lowerEntryVirtualNN 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