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Theorem
Equiv.Perm.decomposeOption_symm_sign
Modification history
2023-08-10 19:52
Mathlib/GroupTheory/Perm/Option.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified
Equiv.Perm.decomposeOption_symm_sign
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2023-02-27 16:19
Mathlib/GroupTheory/Perm/Option.lean
feat: port GroupTheory.Perm.Option (#2523)
Added
Equiv.Perm.decomposeOption_symm_sign
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