let P be Instruction-Sequence of SCMPDS; :: thesis: for s being State of SCMPDS

for I being Program of

for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let s be State of SCMPDS; :: thesis: for I being Program of

for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let I be Program of ; :: thesis: for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let a be Int_position; :: thesis: for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let i be Integer; :: thesis: for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let n be Nat; :: thesis: ( s . (DataLoc ((s . a),i)) >= 0 implies ( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P ) )

set d1 = DataLoc ((s . a),i);

assume A1: s . (DataLoc ((s . a),i)) >= 0 ; :: thesis: ( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

set i1 = (a,i) >=0_goto ((card I) + 3);

set i2 = AddTo (a,i,n);

set i3 = goto (- ((card I) + 2));

set FOR = for-up (a,i,n,I);

set pFOR = stop (for-up (a,i,n,I));

set s3 = Initialize s;

set P3 = P +* (stop (for-up (a,i,n,I)));

set s4 = Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1);

set P4 = P +* (stop (for-up (a,i,n,I)));

A2: IC (Initialize s) = 0 by MEMSTR_0:def 11;

A3: not DataLoc ((s . a),i) in dom (Start-At (0,SCMPDS)) by SCMPDS_4:18;

not a in dom (Start-At (0,SCMPDS)) by SCMPDS_4:18;

then A4: (Initialize s) . (DataLoc (((Initialize s) . a),i)) = (Initialize s) . (DataLoc ((s . a),i)) by FUNCT_4:11

.= s . (DataLoc ((s . a),i)) by A3, FUNCT_4:11 ;

A5: for-up (a,i,n,I) = ((a,i) >=0_goto ((card I) + 3)) ';' ((I ';' (AddTo (a,i,n))) ';' (goto (- ((card I) + 2)))) by Th2;

Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),(0 + 1)) = Following ((P +* (stop (for-up (a,i,n,I)))),(Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),0))) by EXTPRO_1:3

.= Exec (((a,i) >=0_goto ((card I) + 3)),(Initialize s)) by A5, SCMPDS_6:11 ;

then A6: IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1)) = ICplusConst ((Initialize s),((card I) + 3)) by A1, A4, SCMPDS_2:57

.= 0 + ((card I) + 3) by A2, SCMPDS_6:12 ;

A7: card (for-up (a,i,n,I)) = (card I) + 3 by Th30;

then A8: (card I) + 3 in dom (stop (for-up (a,i,n,I))) by COMPOS_1:64;

stop (for-up (a,i,n,I)) c= P +* (stop (for-up (a,i,n,I))) by FUNCT_4:25;

then (P +* (stop (for-up (a,i,n,I)))) . ((card I) + 3) = (stop (for-up (a,i,n,I))) . ((card I) + 3) by A8, GRFUNC_1:2

.= halt SCMPDS by A7, COMPOS_1:64 ;

then A9: CurInstr ((P +* (stop (for-up (a,i,n,I)))),(Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1))) = halt SCMPDS by A6, PBOOLE:143;

P +* (stop (for-up (a,i,n,I))) halts_on Initialize s by A9, EXTPRO_1:29;

hence for-up (a,i,n,I) is_halting_on s,P by SCMPDS_6:def 3; :: thesis: verum

for I being Program of

for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let s be State of SCMPDS; :: thesis: for I being Program of

for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let I be Program of ; :: thesis: for a being Int_position

for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let a be Int_position; :: thesis: for i being Integer

for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let i be Integer; :: thesis: for n being Nat st s . (DataLoc ((s . a),i)) >= 0 holds

( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

let n be Nat; :: thesis: ( s . (DataLoc ((s . a),i)) >= 0 implies ( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P ) )

set d1 = DataLoc ((s . a),i);

assume A1: s . (DataLoc ((s . a),i)) >= 0 ; :: thesis: ( for-up (a,i,n,I) is_closed_on s,P & for-up (a,i,n,I) is_halting_on s,P )

set i1 = (a,i) >=0_goto ((card I) + 3);

set i2 = AddTo (a,i,n);

set i3 = goto (- ((card I) + 2));

set FOR = for-up (a,i,n,I);

set pFOR = stop (for-up (a,i,n,I));

set s3 = Initialize s;

set P3 = P +* (stop (for-up (a,i,n,I)));

set s4 = Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1);

set P4 = P +* (stop (for-up (a,i,n,I)));

A2: IC (Initialize s) = 0 by MEMSTR_0:def 11;

A3: not DataLoc ((s . a),i) in dom (Start-At (0,SCMPDS)) by SCMPDS_4:18;

not a in dom (Start-At (0,SCMPDS)) by SCMPDS_4:18;

then A4: (Initialize s) . (DataLoc (((Initialize s) . a),i)) = (Initialize s) . (DataLoc ((s . a),i)) by FUNCT_4:11

.= s . (DataLoc ((s . a),i)) by A3, FUNCT_4:11 ;

A5: for-up (a,i,n,I) = ((a,i) >=0_goto ((card I) + 3)) ';' ((I ';' (AddTo (a,i,n))) ';' (goto (- ((card I) + 2)))) by Th2;

Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),(0 + 1)) = Following ((P +* (stop (for-up (a,i,n,I)))),(Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),0))) by EXTPRO_1:3

.= Exec (((a,i) >=0_goto ((card I) + 3)),(Initialize s)) by A5, SCMPDS_6:11 ;

then A6: IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1)) = ICplusConst ((Initialize s),((card I) + 3)) by A1, A4, SCMPDS_2:57

.= 0 + ((card I) + 3) by A2, SCMPDS_6:12 ;

A7: card (for-up (a,i,n,I)) = (card I) + 3 by Th30;

then A8: (card I) + 3 in dom (stop (for-up (a,i,n,I))) by COMPOS_1:64;

stop (for-up (a,i,n,I)) c= P +* (stop (for-up (a,i,n,I))) by FUNCT_4:25;

then (P +* (stop (for-up (a,i,n,I)))) . ((card I) + 3) = (stop (for-up (a,i,n,I))) . ((card I) + 3) by A8, GRFUNC_1:2

.= halt SCMPDS by A7, COMPOS_1:64 ;

then A9: CurInstr ((P +* (stop (for-up (a,i,n,I)))),(Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),1))) = halt SCMPDS by A6, PBOOLE:143;

now :: thesis: for k being Nat holds IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k)) in dom (stop (for-up (a,i,n,I)))

hence
for-up (a,i,n,I) is_closed_on s,P
by SCMPDS_6:def 2; :: thesis: for-up (a,i,n,I) is_halting_on s,Plet k be Nat; :: thesis: IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),b_{1})) in dom (stop (for-up (a,i,n,I)))

end;per cases
( 0 < k or k = 0 )
;

end;

suppose
0 < k
; :: thesis: IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),b_{1})) in dom (stop (for-up (a,i,n,I)))

then
1 + 0 <= k
by INT_1:7;

hence IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k)) in dom (stop (for-up (a,i,n,I))) by A8, A6, A9, EXTPRO_1:5; :: thesis: verum

end;hence IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k)) in dom (stop (for-up (a,i,n,I))) by A8, A6, A9, EXTPRO_1:5; :: thesis: verum

suppose
k = 0
; :: thesis: IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),b_{1})) in dom (stop (for-up (a,i,n,I)))

then
Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k) = Initialize s
;

hence IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k)) in dom (stop (for-up (a,i,n,I))) by A2, COMPOS_1:36; :: thesis: verum

end;hence IC (Comput ((P +* (stop (for-up (a,i,n,I)))),(Initialize s),k)) in dom (stop (for-up (a,i,n,I))) by A2, COMPOS_1:36; :: thesis: verum

P +* (stop (for-up (a,i,n,I))) halts_on Initialize s by A9, EXTPRO_1:29;

hence for-up (a,i,n,I) is_halting_on s,P by SCMPDS_6:def 3; :: thesis: verum