Global Instance H2D_to_T2D : Tarski_2D H_to_T_PED.
End Hilbert_euclidean.
Section Hilbert_euclidean_ID.
Context `{Hi:Hilbert_euclidean_ID}.

(* Specifications: *)
Lemma decidability_of_intersectionH :
parallel_postulates.decidability_of_intersection.
Lemma tarski_s_euclid : tarski_s_parallel_postulate.
Global Instance H_euclidean_to_T_euclidean : Tarski_euclidean H_to_T_PED.