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Def sym.sym'

Modification history

2022-04-10 23:04
src/data/sym/basic.lean
feat(data/sym/basic): some basic lemmas in preparation for stars and bars (#12479) …
Modified sym.sym'View on Github →
2020-09-11 15:53
src/data/sym.lean
feat(data/{sym2,sym}) decidable version of sym2.mem.other, filling out some of sym API (#4008) …
Modified sym.sym'View on Github →
2020-07-06 16:58
src/data/sym.lean
feat(data/sym2) Defining the symmetric square (unordered pairs) (#3264) …
Added sym.sym'View on Github →