fact: Definition interp_CP_for_concy (pa pb pc pd : positive) interp := @interp_CP Tarski_is_a_Arity_for_concy 3 (pa, (pb, (pc, pd))) interp.
imports: GeoCoq.Tarski_dev.Ch09_plane NArith GeoCoq.Utils.sets GeoCoq.Meta_theory.Models.tarski_to_coinc_theory_for_concyclic GeoCoq.Tactics.Coinc.CoincR