consider w being State of SCM ;
set t = w +* ((dl. 0 ),(dl. 1) --> 0 ,1);
A5: InsCode (AddTo a,b) = 2 by MCART_1:7
.= InsCode (AddTo (dl. 0 ),(dl. 1)) by MCART_1:7 ;
A6: dl. 0 <> IC SCM by AMI_3:57;
dom ((dl. 0 ),(dl. 1) --> 0 ,1) = {(dl. 0 ),(dl. 1)} by FUNCT_4:65;
then A7: ( dl. 0 in dom ((dl. 0 ),(dl. 1) --> 0 ,1) & dl. 1 in dom ((dl. 0 ),(dl. 1) --> 0 ,1) ) by TARSKI:def 2;
then A8: (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 ;
(w +* ((dl. 0 ),(dl. 1) --> 0 ,1)) . (dl. 1) = ((dl. 0 ),(dl. 1) --> 0 ,1) . (dl. 1) by A7, FUNCT_4:14
.= 1 by FUNCT_4:66 ;
then (Exec (AddTo (dl. 0 ),(dl. 1)),(w +* ((dl. 0 ),(dl. 1) --> 0 ,1))) . (dl. 0 ) = 0 + 1 by A8, AMI_3:9;
hence for b₁ being InsType of SCM st b₁ = InsCode (AddTo a,b) holds
not b₁ is jump-only by A5, A6, A8, AMISTD_1:def 3; :: thesis: verum