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Theorem set.preimage_mul_preimage_subset

Modification history

2022-05-28 13:51
src/data/set/pointwise.lean
feat({data/{finset,set},order/filter}/pointwise): More lemmas (#14216) …
Modified set.preimage_mul_preimage_subsetView on Github →
2022-03-19 09:56
src/algebra/pointwise.lean
refactor(order/filter/pointwise): Cleanup (#12789) …
Modified set.preimage_mul_preimage_subsetView on Github →
2020-07-03 20:42
src/algebra/pointwise.lean
feat(algebra/pointwise): make instances global (#3240) …
Added set.preimage_mul_preimage_subsetView on Github →