[0 ,{} ,{} ] in {[SCM-Halt ,{} ,{} ]}
by TARSKI:def 1;
then
[0 ,{} ,{} ] in {[SCM-Halt ,{} ,{} ]} \/ { [J,<*a*>,{} ] where J is Element of Segm 9, a is Element of NAT : J = 6 }
by XBOOLE_0:def 3;
then
[0 ,{} ,{} ] in ({[SCM-Halt ,{} ,{} ]} \/ { [J,<*a*>,{} ] where J is Element of Segm 9, a is Element of NAT : J = 6 } ) \/ { [K,<*a1*>,<*b1*>] where K is Element of Segm 9, a1 is Element of NAT , b1 is Element of SCM-Data-Loc : K in {7,8} }
by XBOOLE_0:def 3;
hence
[0 ,{} ,{} ] in SCM-Instr
by XBOOLE_0:def 3; verum