Require Export GeoCoq.Tarski_dev.Ch05_bet_le.
Ltac eCol := eauto with col.
Section T6_1.
Context `{TnEQD:Tarski_neutral_dimensionless_with_decidable_point_equality}.

Lemma segment_construction_3 : forall A B X Y, A <> B -> X <> Y -> exists C, Out A B C /\ Cong A C X Y.