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v3
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Theorem
set.diff_union_self
Modification history
2022-09-04 15:22
src/data/set/basic.lean
feat(order/heyting/basic): Generalize boolean algebras lemmas (#16281) …
Modified
set.diff_union_self
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2021-03-29 23:43
src/data/set/basic.lean
feat(topology/local_homeomorph): add `is_image`, `piecewise`, and `disjoint_union` (#6804) …
Modified
set.diff_union_self
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2018-07-16 20:46
data/set/basic.lean
feat(data/set/basic): more set theorems, normalize naming
Added
set.diff_union_self
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