Proof: Do Line At Unchanged 68

Let's prove the following theorem:

if the following are true:

expression state at time 68 = "iterate_args"
the line at time 68 = 12

then the line at time 69 = 12

Proof:

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Given

1	expression state at time 68 = "iterate_args"
2	the line at time 68 = 12

Proof Table

#	Claim	Reason
1	the line at time (68 + 1) = the line at time 68	if expression state at time 68 = "iterate_args", then the line at time (68 + 1) = the line at time 68 (Iterate Insn (3))
2	the line at time (68 + 1) = 12	if the line at time (68 + 1) = the line at time 68 and the line at time 68 = 12, then the line at time (68 + 1) = 12 (Transitive Property of Equality)
3	68 + 1 = 69	68 + 1 = 69 (Fixed Value Statement)
4	the line at time (68 + 1) = the line at time 69	if 68 + 1 = 69, then the line at time (68 + 1) = the line at time 69 (Substitution)
5	the line at time 69 = 12	if the line at time (68 + 1) = the line at time 69 and the line at time (68 + 1) = 12, then the line at time 69 = 12 (Transitive Property of Equality Variation 2)

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