[Merged by Bors] - feat(data/set/pairwise): Taking the bUnion is injective
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YaelDillies
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| @@ -421,3 +423,30 @@ end set | |||
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| lemma pairwise_disjoint_fiber (f : ι → α) : pairwise (disjoint on (λ a : α, f ⁻¹' {a})) := | |||
| set.pairwise_univ.1 $ set.pairwise_disjoint_fiber f univ | |||
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Oh you could have committed this yourself. A bit late now 😅
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Thanks! 🎉 |
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... in the set bounding the union, when all sets in the family are pairwise disjoint and nonempty.
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Pull request successfully merged into master. Build succeeded: |
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bUnion is injectivebUnion is injective
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... in the set bounding the union, when all sets in the family are pairwise disjoint and nonempty.