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Def sym2.mem

Modification history

2023-01-21 17:49
src/data/sym/sym2.lean
feat(data/sym/sym2): `set_like` instance (#17154)
Deleted sym2.memView on Github →
2020-07-06 16:58
src/data/sym2.lean
feat(data/sym2) Defining the symmetric square (unordered pairs) (#3264) …
Added sym2.memView on Github →