OAI/Geometry/SurfaceImmersion/Primitive/ActualProfileCurve.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Nonvanishing and avoidance of the negative preferred normal for every nonzero curve direction, transferred from the five leading profiles.

  1. theorem OAI.ClosedSurfaceR4.GeometryPreservation.compact_actual_profile_curves line 15