let H be CTL-formula; for V being CTLModelStr
for Kai being Function of atomic_WFF ,the BasicAssign of V holds Evaluate (EG H),Kai = EG (Evaluate H,Kai)
let V be CTLModelStr ; for Kai being Function of atomic_WFF ,the BasicAssign of V holds Evaluate (EG H),Kai = EG (Evaluate H,Kai)
let Kai be Function of atomic_WFF ,the BasicAssign of V; Evaluate (EG H),Kai = EG (Evaluate H,Kai)
consider f1 being Function of CTL_WFF ,the Assignations of V such that
A1:
f1 is-Evaluation-for Kai
and
A2:
Evaluate (EG H),Kai = f1 . (EG H)
by Def32;
A3:
ex f2 being Function of CTL_WFF ,the Assignations of V st
( f2 is-Evaluation-for Kai & Evaluate H,Kai = f2 . H )
by Def32;
A4:
EG H is ExistGlobal
by Def18;
then A5:
not EG H is negative
by Lm18;
A6:
not EG H is ExistNext
by A4, Lm18;
Evaluate (EG H),Kai =
the EGlobal of V . (f1 . (the_argument_of (EG H)))
by A1, A2, A4, Def26
.=
the EGlobal of V . (f1 . H)
by A4, A5, A6, Def21
.=
EG (Evaluate H,Kai)
by A1, A3, Th4
;
hence
Evaluate (EG H),Kai = EG (Evaluate H,Kai)
; verum