fact: Hypothesis H0t1 : forall (v1 v2 : V) (t1 : T), Rel v1 t1 -> Rel v2 dt -> Rel (vop v1 v2) t1.
imports: Coq(Rdefinitions Raxioms RIneq Rbasic_fun) mathcomp.ssreflect(ssreflect ssrfun ssrbool eqtype ssrnat seq bigop) MathComp1or2