Proof: Pc 15
Let's prove the following theorem:
if the following are true:
- instruction #2 is
load dst=3 addr=1 imm=1
- the PC at time 15 = 2
then the PC at time 16 = 3
Proof:
Given
1 | instruction #2 is load dst=3 addr=1 imm=1 |
---|---|
2 | the PC at time 15 = 2 |
# | Claim | Reason |
---|---|---|
1 | the PC at time (15 + 1) = 2 + 1 | if instruction #2 is load dst=3 addr=1 imm=1 and the PC at time 15 = 2, then the PC at time (15 + 1) = 2 + 1 |
2 | 15 + 1 = 16 | 15 + 1 = 16 |
3 | 2 + 1 = 3 | 2 + 1 = 3 |
4 | the PC at time (15 + 1) = the PC at time 16 | if 15 + 1 = 16, then the PC at time (15 + 1) = the PC at time 16 |
5 | the PC at time 16 = 3 | if the PC at time (15 + 1) = 2 + 1 and the PC at time (15 + 1) = the PC at time 16 and 2 + 1 = 3, then the PC at time 16 = 3 |
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