Require Export GeoCoq.Meta_theory.Decidability.equivalence_between_decidability_properties_of_basic_relations.
Section T5.
Context `{TnEQD:Tarski_neutral_dimensionless_with_decidable_point_equality}.

Lemma bet3__bet : forall A B C D E, Bet A B E -> Bet A D E -> Bet B C D -> Bet A C E.