Global Instance independent_Tarski_neutral_dimensionless_follows_from_Hilbert :
  Gupta_inspired_variant_of_Tarski_neutral_dimensionless_with_decidable_point_equality.Global Instance H_to_T : Tarski_neutral_dimensionless.Global Instance H_to_T_PED :
  Tarski_neutral_dimensionless_with_decidable_point_equality H_to_T.

Lemma plane_coplanar : forall A B C D p, IncidP A p -> IncidP B p -> IncidP C p -> IncidP D p -> Coplanar A B C D.