fact: Definition R_in_map_trans {A B C : Type} (R1 : Param2b0.Rel A B) (R2 : Param2b0.Rel B C) : forall (a : A) (c : C), R_trans R1 R2 a c -> map_trans R1 R2 a = c.
imports: Coq(ssreflect) HoTT(HoTT) HoTT_additions Hierarchy Common