fact: Definition Equiv elt (R:elt->elt->Prop) m m' := Eqdom m m' /\ (forall k e e', m@k ↦ e -> m'@k ↦ e' -> R e e').
imports: Coq(Bool Arith BinInt FunInd) Coq(Orders OrdersFacts OrdersLists) MMaps(Comparisons Interface OrdList)