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

Lemma leP_asym : forall O E E' A B, LeP O E E' A B -> LeP O E E' B A -> A = B.