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Theorem set.preimage_equiv_eq_image_symm

Modification history

2021-10-06 15:46
src/data/equiv/basic.lean
refactor(data/equiv): split out `./set` from `./basic` (#9560) …
Modified set.preimage_equiv_eq_image_symmView on Github →
2021-07-28 21:04
src/data/equiv/basic.lean
feat(ring,group,monoid): map_equiv lemmas for different structures (#8453) …
Added set.preimage_equiv_eq_image_symmView on Github →