Local Open Scope logic_base.
Local Open Scope syntax.
Local Open Scope kripke_model.
Class SeparatingSemantics
(L: Language)
{sL: SeparationLanguage L}
(MD: Model)
{kMD: KripkeModel MD}
(M: Kmodel)
{R: Relation (Kworlds M)}
{J: Join (Kworlds M)}
(SM: Semantics L MD): Type :=
{
denote_sepcon: forall x y, Same_set _ (Kdenotation M (x * y)) (StrongSemantics.sepcon (Kdenotation M x) (Kdenotation M y));
denote_wand: forall x y, Same_set _ (Kdenotation M (x -* y)) (StrongSemantics.wand (Kdenotation M x) (Kdenotation M y))
}.

Lemma sat_wand
{L: Language}
{sL: SeparationLanguage L}
{MD: Model}
{kMD: KripkeModel MD}
{M: Kmodel}
{R: Relation (Kworlds M)}
{J: Join (Kworlds M)}
{SM: Semantics L MD}
{fsSM: SeparatingSemantics L MD M SM}:
forall m x y,
KRIPKE: M , m |= x -* y <->
forall m0 m1 m2, m <= m0 ->
join m0 m1 m2 ->
KRIPKE: M , m1 |= x ->
KRIPKE: M, m2 |= y.