OAI/Analysis/CircleDomains/Topology/CompactClopenPartition.lean

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A componentwise open cover of a compact Hausdorff space has a finite disjoint clopen refinement. This is the finite decomposition used before choosing small ambient Jordan neighborhoods.

  1. lemma OAI.CircleDomainRigidity.compact_clopen_partition_of_component_cover line 13