reserve S for with_non_trivial_Instructions COM-Struct;
reserve i,j,k for No-StopCode Instruction of S,
        I,J,K for MacroInstruction of S;
reserve i1,i2,i3,i4,i5,i6 for No-StopCode Instruction of S;
reserve I,J for non empty NAT-defined finite Function;
reserve I,J for MacroInstruction of S;

theorem Th45:
  (i ';' j ';' k).1 = IncAddr(j,1)
 proof
  LastLoc(i ';' j) = 2 by Th30;
  hence (i ';' j ';' k).1 = (i ';' j).1 by Th23,Th28
        .= IncAddr(j,1) by Th44;
 end;
