Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
function.surjective.injective_preimage
Modification history
2020-06-18 22:26
src/data/set/basic.lean
chore(*): regularize naming using injective (#3071) …
Deleted
function.surjective.injective_preimage
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2020-05-31 01:56
src/data/set/basic.lean
chore(data/set/basic): add some lemmas to `function.surjective` (#2876) …
Added
function.surjective.injective_preimage
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