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 fourth_point : forall A B C P, A <> B -> B <> C -> Col A B P -> Bet A B C ->
Bet P A B \/ Bet A P B \/ Bet B P C \/ Bet B C P.