fact: Definition Partition m m1 m2 := Disjoint m1 m2 /\ (forall k e, MapsTo k e m <-> MapsTo k e m1 \/ MapsTo k e m2).
imports: Coq(Bool Equalities Orders OrdersFacts OrdersLists) Coq(Morphisms Permutation SetoidPermutation) MMaps(Utils Comparisons Interface)