let s be State of SCMPDS ; for k1, k2 being Integer
for a being Int_position holds
( (Exec (AddTo a,k1,k2),s) . (IC SCMPDS ) = succ (IC s) & (Exec (AddTo a,k1,k2),s) . (DataLoc (s . a),k1) = (s . (DataLoc (s . a),k1)) + k2 & ( for b being Int_position st b <> DataLoc (s . a),k1 holds
(Exec (AddTo a,k1,k2),s) . b = s . b ) )
let k1, k2 be Integer; for a being Int_position holds
( (Exec (AddTo a,k1,k2),s) . (IC SCMPDS ) = succ (IC s) & (Exec (AddTo a,k1,k2),s) . (DataLoc (s . a),k1) = (s . (DataLoc (s . a),k1)) + k2 & ( for b being Int_position st b <> DataLoc (s . a),k1 holds
(Exec (AddTo a,k1,k2),s) . b = s . b ) )
let a be Int_position ; ( (Exec (AddTo a,k1,k2),s) . (IC SCMPDS ) = succ (IC s) & (Exec (AddTo a,k1,k2),s) . (DataLoc (s . a),k1) = (s . (DataLoc (s . a),k1)) + k2 & ( for b being Int_position st b <> DataLoc (s . a),k1 holds
(Exec (AddTo a,k1,k2),s) . b = s . b ) )
reconsider S = s as SCMPDS-State by PBOOLE:155;
reconsider mk = a as Element of SCM-Data-Loc by Def2;
reconsider I = AddTo a,k1,k2 as Element of SCMPDS-Instr ;
set A2 = Address_Add S,(I P31address ),(I P32const );
set S1 = SCM-Chg S,(Address_Add S,(I P31address ),(I P32const )),((S . (Address_Add S,(I P31address ),(I P32const ))) + (I P33const ));
reconsider i = 8 as Element of Segm 14 by NAT_1:45;
A1:
I = [i,{} ,<*mk,k1,k2*>]
;
then A2:
I P33const = k2
by SCMPDS_1:36;
A3: Exec (AddTo a,k1,k2),s =
SCM-Exec-Res I,S
by SCMPDS_1:def 25
.=
SCM-Chg (SCM-Chg S,(Address_Add S,(I P31address ),(I P32const )),((S . (Address_Add S,(I P31address ),(I P32const ))) + (I P33const ))),(succ (IC S))
by A1, SCMPDS_1:def 24
;
hence
(Exec (AddTo a,k1,k2),s) . (IC SCMPDS ) = succ (IC s)
by Th6, SCMPDS_1:26; ( (Exec (AddTo a,k1,k2),s) . (DataLoc (s . a),k1) = (s . (DataLoc (s . a),k1)) + k2 & ( for b being Int_position st b <> DataLoc (s . a),k1 holds
(Exec (AddTo a,k1,k2),s) . b = s . b ) )
A4:
( I P31address = mk & I P32const = k1 )
by A1, SCMPDS_1:36;
hence (Exec (AddTo a,k1,k2),s) . (DataLoc (s . a),k1) =
(SCM-Chg S,(Address_Add S,(I P31address ),(I P32const )),((S . (Address_Add S,(I P31address ),(I P32const ))) + (I P33const ))) . (Address_Add S,(I P31address ),(I P32const ))
by A3, SCMPDS_1:27
.=
(s . (DataLoc (s . a),k1)) + k2
by A4, A2, SCMPDS_1:30
;
for b being Int_position st b <> DataLoc (s . a),k1 holds
(Exec (AddTo a,k1,k2),s) . b = s . b
let c be Int_position ; ( c <> DataLoc (s . a),k1 implies (Exec (AddTo a,k1,k2),s) . c = s . c )
reconsider mn = c as Element of SCM-Data-Loc by Def2;
assume A5:
c <> DataLoc (s . a),k1
; (Exec (AddTo a,k1,k2),s) . c = s . c
thus (Exec (AddTo a,k1,k2),s) . c =
(SCM-Chg S,(Address_Add S,(I P31address ),(I P32const )),((S . (Address_Add S,(I P31address ),(I P32const ))) + (I P33const ))) . mn
by A3, SCMPDS_1:27
.=
s . c
by A4, A5, SCMPDS_1:31
; verum