consider w being State of SCM ;
set t = w +* ((dl. 0 ),(dl. 1) --> 0 ,1);
A9: InsCode (SubFrom a,b) = 3 by RECDEF_2:def 1
.= InsCode (SubFrom (dl. 0 ),(dl. 1)) by RECDEF_2:def 1 ;
A10: dom ((dl. 0 ),(dl. 1) --> 0 ,1) = {(dl. 0 ),(dl. 1)} by FUNCT_4:65;
then dl. 0 in dom ((dl. 0 ),(dl. 1) --> 0 ,1) by TARSKI:def 2;
then A11: (w +* ((dl. 0 ),(dl. 1) --> 0 ,1)) . (dl. 0 ) = ((dl. 0 ),(dl. 1) --> 0 ,1) . (dl. 0 ) by FUNCT_4:14
.= 0 by AMI_3:52, FUNCT_4:66 ;
A12: dl. 0 <> IC SCM by AMI_3:57;
dl. 1 in dom ((dl. 0 ),(dl. 1) --> 0 ,1) by A10, TARSKI:def 2;
then A13: (w +* ((dl. 0 ),(dl. 1) --> 0 ,1)) . (dl. 1) = ((dl. 0 ),(dl. 1) --> 0 ,1) . (dl. 1) by FUNCT_4:14
.= 1 by FUNCT_4:66 ;
(Exec (SubFrom (dl. 0 ),(dl. 1)),(w +* ((dl. 0 ),(dl. 1) --> 0 ,1))) . (dl. 0 ) = ((w +* ((dl. 0 ),(dl. 1) --> 0 ,1)) . (dl. 0 )) - ((w +* ((dl. 0 ),(dl. 1) --> 0 ,1)) . (dl. 1)) by AMI_3:10
.= - 1 by A11, A13 ;
hence for b₁ being InsType of SCM st b₁ = InsCode (SubFrom a,b) holds
not b₁ is jump-only by A9, A12, A11, AMISTD_1:def 3; :: thesis: verum