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Theorem sym2.rel.is_equivalence

Modification history

2020-07-23 02:51
src/data/sym2.lean
chore(data/sym2) : simplify proofs (#3522) …
Modified sym2.rel.is_equivalenceView on Github →
2020-07-06 16:58
src/data/sym2.lean
feat(data/sym2) Defining the symmetric square (unordered pairs) (#3264) …
Added sym2.rel.is_equivalenceView on Github →