Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
even_neg
Modification history
2022-04-06 12:59
src/algebra/parity.lean
feat(algebra/parity): introduce `is_square` and, via `to_additive`, also `even` (#13037) …
Deleted
even_neg
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2022-03-28 16:49
src/algebra/parity.lean
refactor(algebra/group/to_additive + files containing even/odd): move many lemmas involving even/odd to the same file (#12882) …
Modified
even_neg
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2021-07-17 11:26
src/algebra/ring/basic.lean
chore(algebra/ring/basic): drop commutativity assumptions from some division lemmas (#8334) …
Added
even_neg
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