OAI/Analysis/CircleDomains/Topology/DiskRayClosed.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Each lifted simple disk arc is a proper closed embedding.

  1. theorem OAI.CircleDomainRigidity.isProperMap_diskRayLift line 15
  2. theorem OAI.CircleDomainRigidity.isClosedEmbedding_diskRayLift line 37
  3. theorem OAI.CircleDomainRigidity.isClosed_range_diskRayLift line 42