Kim Morrison d10d17ce03 chore: add HashMap/TreeMap.isSome_X simp lemmas (#8143) ... These lemmas were previously only stated the other way round, but in this direction they are both good simp lemmas, and good grind lemmas.		2025-04-28 13:48:06 +00:00
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Basic.lean
Lemmas.lean	chore: add HashMap/TreeMap.isSome_X simp lemmas (#8143)	2025-04-28 13:48:06 +00:00