Require Export GeoCoq.Tarski_dev.Ch14_prod.
Section Order.
Context `{T2D:Tarski_2D}.
Context `{TE:@Tarski_euclidean Tn TnEQD}.

Lemma leP_trans : forall O E E' A B C, LeP O E E' A B -> LeP O E E' B C -> LeP O E E' A C.