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Theorem equiv.image_preimage

Modification history

2021-10-06 15:46
src/data/equiv/basic.lean
refactor(data/equiv): split out `./set` from `./basic` (#9560) …
Modified equiv.image_preimageView on Github →
2020-12-21 23:51
src/data/equiv/basic.lean
chore(data/{equiv,set}/basic): image_preimage (#5465) …
Added equiv.image_preimageView on Github →