Require Export GeoCoq.Elements.OriginalProofs.lemma_triangletoparallelogram.
Require Export GeoCoq.Elements.OriginalProofs.lemma_PGrotate.
Require Export GeoCoq.Elements.OriginalProofs.proposition_36.
Section Euclid.
Context `{Ax:area}.

(* Specifications: *)
Lemma proposition_38 :
forall A B C D E F P Q,
Par P Q B C -> Col P Q A -> Col P Q D -> Cong B C E F -> Col B C E -> Col B C F ->
ET A B C D E F.