OAI/Analysis/CircleDomains/Topology/ClosedRelationNeighborhood.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

A closed relation with compact target sends a neighborhood of a compact source set into every open neighborhood of its fibers.

  1. theorem OAI.CircleDomainRigidity.closed_relation_neighborhood line 12
  2. theorem OAI.CircleDomainRigidity.closed_relation_selection_continuousAt line 30