if the following are true:- instruction #4 is
add dst=3 src1=3 src2=4
- the PC at time 17 = 4
- value of cell 4 at time 17 = 3
add dst=3 src1=3 src2=4
then value of cell 4 at time 18 = 3
Start from the conclusion and work back up the proof. Click the arrow to show the parents.