Variable C : Type.

(* Specifications: *)
Lemma MapDomRestr_disjoint :
forall (m:Map A) (m':Map B) (m'':Map C),
MapDisjoint A B (MapDomRestrTo A C m m'') (MapDomRestrBy B C m' m'').
Lemma MapDelta_RestrTo_disjoint :
forall m m':Map A,
MapDisjoint A A (MapDelta A m m') (MapDomRestrTo A A m m').
Lemma MapDelta_RestrTo_disjoint_2 :
forall m m':Map A,
MapDisjoint A A (MapDelta A m m') (MapDomRestrTo A A m' m).