Proof: Do Line At Unchanged 66

Let's prove the following theorem:

if the following are true:

expression state at time 66 = "iterate_args"
the line at time 66 = 7

then the line at time 67 = 7

Proof:

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Given

1	expression state at time 66 = "iterate_args"
2	the line at time 66 = 7

Proof Table

#	Claim	Reason
1	the line at time (66 + 1) = the line at time 66	if expression state at time 66 = "iterate_args", then the line at time (66 + 1) = the line at time 66 (Iterate Insn (3))
2	the line at time (66 + 1) = 7	if the line at time (66 + 1) = the line at time 66 and the line at time 66 = 7, then the line at time (66 + 1) = 7 (Transitive Property of Equality)
3	66 + 1 = 67	66 + 1 = 67 (Fixed Value Statement)
4	the line at time (66 + 1) = the line at time 67	if 66 + 1 = 67, then the line at time (66 + 1) = the line at time 67 (Substitution)
5	the line at time 67 = 7	if the line at time (66 + 1) = the line at time 67 and the line at time (66 + 1) = 7, then the line at time 67 = 7 (Transitive Property of Equality Variation 2)

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