Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
pequiv.symm_symm_apply
Modification history
2020-05-03 08:34
src/data/pequiv.lean
chore(*): switch to lean 3.10.0 (#2587) …
Deleted
pequiv.symm_symm_apply
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2019-07-14 11:14
src/data/pequiv.lean
feat(data/pequiv): partial equivalences (#1206) …
Added
pequiv.symm_symm_apply
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