fact: Definition OutCirc P (J:Tcircle) := match J with (C,A,B) => exists X, Definitions.BetS C X P /\ tarski_axioms.Cong C X A B end.
imports: GeoCoq.Tarski_dev.Ch12_parallel GeoCoq.Axioms.euclidean_axioms GeoCoq.Axioms.continuity_axioms GeoCoq.Meta_theory.Continuity.elementary_continuity_props GeoCoq.Meta_theory.Parallel_postulates.parallel_postulates