OAI/Geometry/SurfaceImmersion/Atlas/JoinTimeCharts.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Adjacent charts straightening the same regular arc can be joined, retaining the longitudinal coordinate and both exterior axis germs.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.join_time_charts line 17