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 between_cong_3 :
forall A B D E, A <> B -> Bet A B D -> Bet A B E -> Cong B D B E -> D = E.