OAI/Geometry/SurfaceImmersion/Atlas/TargetCoordinateChoice.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

A nonzero derivative has a nonzero scalar target coordinate, which can be completed to a linear isomorphism of the target.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.target_coordinate_choice line 16