Mathlib Changelog
v4
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add_left_cancel_iff
Modification history
2022-10-14 00:13
Mathlib/Algebra/Group/Defs.lean
feat: replace Algebra/Group/{Defs,Basic} with direct ports from mathlib3 (#457) …
Deleted
add_left_cancel_iff
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2021-05-14 12:59
Mathlib/Algebra/Group/Defs.lean
feat(Algebra/*): beginning of algebra hierarchy (#4)
Added
add_left_cancel_iff
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