let I be Program of SCM+FSA ; :: thesis: for a being Int-Location holds card (while<0 a,I) = (card I) + 11
let a be Int-Location ; :: thesis: card (while<0 a,I) = (card I) + 11
set i = (insloc ((card I) + 4)) .--> (goto (insloc 0 ));
set C = if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 ))));
set P = (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 ))))) +* ((insloc ((card I) + 4)) .--> (goto (insloc 0 )));
A1:
card (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 ))))) = (card I) + 11
by Th3;
(card I) + 4 < (card I) + 11
by XREAL_1:8;
then
insloc ((card I) + 4) in dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 )))))
by A1, SCMFSA6A:15;
then A2:
{(insloc ((card I) + 4))} c= dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 )))))
by ZFMISC_1:37;
dom ((if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 ))))) +* ((insloc ((card I) + 4)) .--> (goto (insloc 0 )))) =
(dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 )))))) \/ (dom ((insloc ((card I) + 4)) .--> (goto (insloc 0 ))))
by FUNCT_4:def 1
.=
(dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 )))))) \/ {(insloc ((card I) + 4))}
by FUNCOP_1:19
.=
dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 )))))
by A2, XBOOLE_1:12
;
hence card (while<0 a,I) =
card (dom (if=0 a,(Stop SCM+FSA ),(if>0 a,(Stop SCM+FSA ),(I ';' (Goto (insloc 0 ))))))
by CARD_1:104
.=
(card I) + 11
by A1, CARD_1:104
;
:: thesis: verum