Mathlib Changelog
v4
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Def
Sym2
Modification history
2024-05-07 01:05
Mathlib/Data/Sym/Sym2.lean
refactor: replace `@[reducible]` with `abbrev` (#12614) …
Deleted
Sym2
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2023-12-27 05:26
Mathlib/Data/Sym/Sym2.lean
refactor: remove `Sym2`'s global `Prod` setoid instance, use `s(x, y)` notation for unordered pairs (#8729) …
Modified
Sym2
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2023-01-27 10:07
Mathlib/Data/Sym/Sym2.lean
feat: Port `Data.Sym.Sym2` (#1805)
Added
Sym2
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