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Theorem dfinsupp.ext_iff

Modification history

2022-01-26 17:10
src/data/dfinsupp/basic.lean
feat(data/{dfinsupp,finsupp}/basic): `fun_like` instances for `Π₀ i, α i` and `ι →₀ α` (#11667) …
Modified dfinsupp.ext_iffView on Github →
2021-07-28 14:08
src/data/dfinsupp.lean
feat(data/dfinsupp): add simp lemma `single_eq_zero` (#8447) …
Added dfinsupp.ext_iffView on Github →