Wojciech Różowski 1f04bf4fd1 feat: add simpDecideCbv simproc for cbv decide (#12766) ... This PR adds a dedicated cbv simproc for `Decidable.decide` that directly matches on `isTrue`/`isFalse` instances, producing simpler proof terms and avoiding unnecessary unfolding through `Decidable.rec`. --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>		2026-03-03 14:24:14 +00:00
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Lemmas.lean	feat: add simpDecideCbv simproc for cbv decide (#12766)	2026-03-03 14:24:14 +00:00