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: dl. 0 <> IC SCM by AMI_3:57;
dom ((dl. 0 ),(dl. 1) --> 1,0 ) = {(dl. 0 ),(dl. 1)} by FUNCT_4:65;
then A16: ( dl. 0 in dom ((dl. 0 ),(dl. 1) --> 1,0 ) & dl. 1 in dom ((dl. 0 ),(dl. 1) --> 1,0 ) ) by TARSKI:def 2;
then A17: (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 ;
A18: (w +* ((dl. 0 ),(dl. 1) --> 1,0 )) . (dl. 1) = ((dl. 0 ),(dl. 1) --> 1,0 ) . (dl. 1) by A16, 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, A15, A17, AMISTD_1:def 3; :: thesis: verum