Require Export GeoCoq.Tarski_dev.Ch10_line_reflexivity.
Section T10_1.
Context `{TnEQD:Tarski_neutral_dimensionless_with_decidable_point_equality}.

Lemma hilbert_s_version_of_pasch : forall A B C P Q, Coplanar A B C P ->
~ Col C Q P -> ~ Col A B P -> BetS A Q B ->
exists X, Col P Q X /\ (BetS A X C \/ BetS B X C).