Theorem set.not_subset
Modification history
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Modified set.not_subsetView on Github →2020-01-09 22:58
src/data/set/basic.lean
refactor(data/set/basic): change def of `⊂` to match `<` (#1862)
Modified set.not_subsetView on Github →