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

Lemma cop__cong_on_bissect : forall A B M P X,
Coplanar A B X P -> Midpoint M A B -> Perp_at M A B P M -> Cong X A X B ->
Col M P X.