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

Lemma cong4_cop2__eq : forall A B C P Q, ~ Col A B C ->
Cong A P B P -> Cong A P C P -> Coplanar A B C P ->
Cong A Q B Q -> Cong A Q C Q -> Coplanar A B C Q ->
P = Q.