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Theorem set.surjective_preimage

Modification history

2020-05-31 01:56
src/data/set/basic.lean
chore(data/set/basic): add some lemmas to `function.surjective` (#2876) …
Deleted set.surjective_preimageView on Github →
2018-09-07 17:30
data/set/basic.lean
refactor(linear_algebra, ring_theory): rework submodules; move them to linear_algebra
Added set.surjective_preimageView on Github →