Mathlib Changelog
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2026-07-12 20:38
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feat(Topology/Sets): disjoint
Compacts
form an open set (
#40053
)
Estimated changes
Modified
Mathlib/Topology/Sets/Compacts.lean
added
theorem
TopologicalSpace.Compacts.disjoint_coe_iff
Modified
Mathlib/Topology/Sets/VietorisTopology.lean
added
theorem
TopologicalSpace.Compacts.isOpen_setOf_disjoint
added
theorem
TopologicalSpace.Compacts.isOpen_setOf_disjoint_coe
added
theorem
TopologicalSpace.NonemptyCompacts.isOpen_setOf_disjoint_coe