let s be State of SCMPDS ; :: thesis: for I being parahalting No-StopCode Program of SCMPDS
for J being parahalting shiftable Program of SCMPDS
for k being Element of NAT st Initialized (stop (I ';' J)) c= s holds
(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT

set SA0 = Start-At 0 ,SCMPDS ;
let I be parahalting No-StopCode Program of SCMPDS ; :: thesis: for J being parahalting shiftable Program of SCMPDS
for k being Element of NAT st Initialized (stop (I ';' J)) c= s holds
(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT

let J be parahalting shiftable Program of SCMPDS ; :: thesis: for k being Element of NAT st Initialized (stop (I ';' J)) c= s holds
(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT

let k be Element of NAT ; :: thesis: ( Initialized (stop (I ';' J)) c= s implies (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT )
set IsI = Initialized (stop I);
set sIsI = s +* (Initialized (stop I));
set RI = Result (s +* (Initialized (stop I)));
set pJ = stop J;
set IsJ = Initialized (stop J);
set RIJ = (Result (s +* (Initialized (stop I)))) +* (Initialized (stop J));
set pIJ = stop (I ';' J);
set IsIJ = Initialized (stop (I ';' J));
set sIsIJ = s +* (Initialized (stop (I ';' J)));
Initialized (stop I) c= s +* (Initialized (stop I)) by FUNCT_4:26;
then B1: ProgramPart (s +* (Initialized (stop I))) halts_on s +* (Initialized (stop I)) by SCMPDS_4:63;
set s2 = Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + 0 );
set s1 = ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) +* (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS );
set m1 = LifeSpan (s +* (Initialized (stop I)));
A2: Initialized I c= Initialized (stop (I ';' J)) by Th15;
assume A3: Initialized (stop (I ';' J)) c= s ; :: thesis: (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT
then A4: s = s +* (Initialized (stop (I ';' J))) by FUNCT_4:79;
A5: now
thus IC (((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) +* (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS )) = (IC ((Result (s +* (Initialized (stop I)))) +* ((stop J) +* (Start-At 0 ,SCMPDS )))) + (card I) by AMI_1:111
.= (IC (((Result (s +* (Initialized (stop I)))) +* (stop J)) +* (Start-At 0 ,SCMPDS ))) + (card I) by FUNCT_4:15
.= 0 + (card I) by AMI_1:111
.= IC (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + 0 )) by A3, A4, A2, Th30, XBOOLE_1:1 ; :: thesis: for a being Int_position holds (((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) +* (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS )) . a = (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + 0 )) . a
hereby :: thesis: verum
let a be Int_position ; :: thesis: (((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) +* (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS )) . a = (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + 0 )) . a
A6: not a in dom ((stop J) +* (Start-At 0 ,SCMPDS )) by SCMPDS_4:61;
not a in dom (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS ) by SCMPDS_4:59;
hence (((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) +* (Start-At ((IC ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))) + (card I)),SCMPDS )) . a = ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) . a by FUNCT_4:12
.= (Result (s +* (Initialized (stop I)))) . a by A6, FUNCT_4:12
.= (Comput (ProgramPart (s +* (Initialized (stop I)))),(s +* (Initialized (stop I))),(LifeSpan (s +* (Initialized (stop I))))) . a by B1, AMI_1:122
.= (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + 0 )) . a by Th34, SCMPDS_4:13 ;
:: thesis: verum
end;
end;
defpred S1[ Element of NAT ] means (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),$1) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),$1)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + $1) equal_outside NAT ;
A7: stop (I ';' J) c= s +* (Initialized (stop (I ';' J))) by FUNCT_4:26, SCMPDS_4:57;
A8: for k being Element of NAT st S1[k] holds
S1[k + 1]
proof
let k be Element of NAT ; :: thesis: ( S1[k] implies S1[k + 1] )
set k1 = k + 1;
set CRk = Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k;
set CRSk = (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS );
set CIJk = Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k);
set CRk1 = Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1);
set CRSk1 = (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I)),SCMPDS );
set CIJk1 = Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1));
assume A9: (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT ; :: thesis: S1[k + 1]
A10: CurInstr (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) = CurInstr (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))
proof
Y: (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))) /. (IC (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))) = (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) . (IC (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))) by AMI_1:150;
A11: CurInstr (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) = (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) . (IC ((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ))) by A9, AMI_1:121, Y
.= (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) . ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)) by AMI_1:111 ;
reconsider n = IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) as Element of NAT ;
A12: stop (I ';' J) = I ';' (stop J) by SCMPDS_4:46;
Initialized (stop J) c= (Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)) by FUNCT_4:26;
then A13: IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) in dom (stop J) by SCMPDS_4:def 9;
then n < card (stop J) by SCMPDS_4:1;
then n + (card I) < (card (stop J)) + (card I) by XREAL_1:8;
then n + (card I) < card (stop (I ';' J)) by A12, SCMPDS_4:45;
then A14: (IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I) in dom (stop (I ';' J)) by SCMPDS_4:1;
Y: (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) /. (IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) = (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) . (IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) by AMI_1:150;
(Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)) = ((Result (s +* (Initialized (stop I)))) +* (stop J)) +* (Start-At 0 ,SCMPDS ) by FUNCT_4:15
.= ((Result (s +* (Initialized (stop I)))) +* (Start-At 0 ,SCMPDS )) +* (stop J) by SCMPDS_4:62 ;
then stop J c= Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k by AMI_1:81, FUNCT_4:26;
hence CurInstr (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) = (stop J) . (IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) by A13, GRFUNC_1:8, Y
.= (stop (I ';' J)) . ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)) by A13, A12, SCMPDS_4:38
.= (s +* (Initialized (stop (I ';' J)))) . ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)) by A7, A14, GRFUNC_1:8
.= CurInstr (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) by A11, AMI_1:54 ;
:: thesis: verum
end;
Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ) equal_outside NAT by A9, FUNCT_7:28;
then Exec (CurInstr (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)), Exec (CurInstr (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS )) equal_outside NAT by A10, SCMPDS_4:15;
then A15: Exec (CurInstr (ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)),(Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) +* (Start-At ((IC (Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k))) + (card I)),SCMPDS ) equal_outside NAT by Th35;
T: ProgramPart (s +* (Initialized (stop (I ';' J)))) = ProgramPart (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) by AMI_1:144;
Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1)) = Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),(((LifeSpan (s +* (Initialized (stop I)))) + k) + 1) ;
then A16: Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1)) = Following (ProgramPart (s +* (Initialized (stop (I ';' J))))),(Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k)) by AMI_1:14;
A17: now
let a be Int_position ; :: thesis: ((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I)),SCMPDS )) . a = (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1))) . a
S: ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) = ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) by AMI_1:144;
thus ((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I)),SCMPDS )) . a = (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) . a by SCMPDS_3:14
.= (Following (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) . a by AMI_1:14
.= ((Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) +* (Start-At ((IC (Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k))) + (card I)),SCMPDS )) . a by SCMPDS_3:14, S
.= (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1))) . a by A16, A15, SCMPDS_4:13, T ; :: thesis: verum
end;
S: ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))) = ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) by AMI_1:144;
IC ((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I)),SCMPDS )) = (IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I) by AMI_1:111
.= (IC (Following (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k))) + (card I) by AMI_1:14 ;
then IC ((Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1)) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),(k + 1))) + (card I)),SCMPDS )) = IC ((Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) +* (Start-At ((IC (Following (ProgramPart (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)),(Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k))) + (card I)),SCMPDS )) by AMI_1:111, S
.= IC (Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + (k + 1))) by A16, A15, AMI_1:121, T ;
hence S1[k + 1] by A17, SCMPDS_4:11; :: thesis: verum
end;
Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),0 = (Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)) by AMI_1:13;
then A18: S1[ 0 ] by A5, SCMPDS_4:11;
for k being Element of NAT holds S1[k] from NAT_1:sch 1(A18, A8);
hence (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k) +* (Start-At ((IC (Comput (ProgramPart ((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J)))),((Result (s +* (Initialized (stop I)))) +* (Initialized (stop J))),k)) + (card I)),SCMPDS ), Comput (ProgramPart (s +* (Initialized (stop (I ';' J))))),(s +* (Initialized (stop (I ';' J)))),((LifeSpan (s +* (Initialized (stop I)))) + k) equal_outside NAT ; :: thesis: verum