fact: Definition up_ren_subst_poly_type_term (xi : ( nat ) -> nat ) (tau : ( nat ) -> term ) (theta : ( nat ) -> term ) (Eq : forall x, (funcomp tau xi) x = theta x) : forall x, (funcomp (up_poly_type_term tau) (upRen_poly_type_term xi)) x = (up_poly_type_term theta) x := fun n => ap (ren_term shift id) (Eq n).
imports: Undecidability.SystemF.Autosubst.unscoped Undecidability.SystemF.SysF Morphisms