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gap lower checks 2 6

Proved
Freiman.gap_lower_checks_2_6

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

freimangaphall-ray

Exact rational leaf inequalities and strictly earlier forbidden-row references for lower rows 2–6.

Preamble
import Definitions.Def_Freiman_gapCertificateData
Formal statement
namespace Freiman

theorem gap_lower_checks_2_6 : ∀ n : ℕ, 0 ≤ n → n < 5 → gapChecks (gapLowerRows.take n) [] .forbidden (gapLowerTrees[n]!) := by
  sorry

end Freiman
Source
Freiman Hall ray report, certificates/gap/lower_table_partitions.json

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