Proof: Do Arg Stack At Unchanged 33
Let's prove the following theorem:
if the following are true:
- expression state at time 33 = "call_function_begin"
- arguments stack at time 33 = [ ]
then arguments stack at time 34 = [ ]
Proof:
Given
1 | expression state at time 33 = "call_function_begin" |
---|---|
2 | arguments stack at time 33 = [ ] |
# | Claim | Reason |
---|---|---|
1 | arguments stack at time (33 + 1) = arguments stack at time 33 | if expression state at time 33 = "call_function_begin", then arguments stack at time (33 + 1) = arguments stack at time 33 |
2 | arguments stack at time (33 + 1) = [ ] | if arguments stack at time (33 + 1) = arguments stack at time 33 and arguments stack at time 33 = [ ], then arguments stack at time (33 + 1) = [ ] |
3 | 33 + 1 = 34 | 33 + 1 = 34 |
4 | arguments stack at time (33 + 1) = arguments stack at time 34 | if 33 + 1 = 34, then arguments stack at time (33 + 1) = arguments stack at time 34 |
5 | arguments stack at time 34 = [ ] | if arguments stack at time (33 + 1) = arguments stack at time 34 and arguments stack at time (33 + 1) = [ ], then arguments stack at time 34 = [ ] |
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