consider w being State of SCM ;
set t = w +* ((dl. 0 ),(dl. 1) --> 1,0 );
A14: InsCode (MultBy a,b) = 4 by MCART_1:7
.= InsCode (MultBy (dl. 0 ),(dl. 1)) by MCART_1:7 ;
A15: dom ((dl. 0 ),(dl. 1) --> 1,0 ) = {(dl. 0 ),(dl. 1)} by FUNCT_4:65;
then dl. 0 in dom ((dl. 0 ),(dl. 1) --> 1,0 ) by TARSKI:def 2;
then A16: (w +* ((dl. 0 ),(dl. 1) --> 1,0 )) . (dl. 0 ) = ((dl. 0 ),(dl. 1) --> 1,0 ) . (dl. 0 ) by FUNCT_4:14
.= 1 by AMI_3:52, FUNCT_4:66 ;
A17: dl. 0 <> IC SCM by AMI_3:57;
dl. 1 in dom ((dl. 0 ),(dl. 1) --> 1,0 ) by A15, TARSKI:def 2;
then A18: (w +* ((dl. 0 ),(dl. 1) --> 1,0 )) . (dl. 1) = ((dl. 0 ),(dl. 1) --> 1,0 ) . (dl. 1) by FUNCT_4:14
.= 0 by FUNCT_4:66 ;
(Exec (MultBy (dl. 0 ),(dl. 1)),(w +* ((dl. 0 ),(dl. 1) --> 1,0 ))) . (dl. 0 ) = ((w +* ((dl. 0 ),(dl. 1) --> 1,0 )) . (dl. 0 )) * ((w +* ((dl. 0 ),(dl. 1) --> 1,0 )) . (dl. 1)) by AMI_3:11
.= 0 by A18 ;
hence for b₁ being InsType of SCM st b₁ = InsCode (MultBy a,b) holds
not b₁ is jump-only by A14, A17, A16, AMISTD_1:def 3; :: thesis: verum