set C = if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA));
set i = ((card I) + 4) .--> (goto 0);
set P = (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0));
( card (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) = (card I) + 6 & (card I) + 4 < (card I) + 6 )
by Th2, XREAL_1:8;
then
(card I) + 4 in dom (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA)))
by AFINSQ_1:70;
then A3:
{((card I) + 4)} c= dom (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA)))
by ZFMISC_1:37;
A4: dom ((if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0))) =
(dom (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA)))) \/ (dom (((card I) + 4) .--> (goto 0)))
by FUNCT_4:def 1
.=
(dom (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA)))) \/ {((card I) + 4)}
by FUNCOP_1:19
.=
dom (if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA)))
by A3, XBOOLE_1:12
;
(if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0)) is initial
proof
let m,
n be
Nat;
AFINSQ_1:def 13 ( not n in proj1 ((if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0))) or n <= m or m in proj1 ((if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0))) )
thus
( not
n in proj1 ((if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0))) or
n <= m or
m in proj1 ((if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0))) )
by A4, AFINSQ_1:def 13;
verum
end;
hence
(if>0 (a,(I ';' (Goto 0)),(Stop SCM+FSA))) +* (((card I) + 4) .--> (goto 0)) is Program of SCM+FSA
; verum