Proof: Do Variables At Unchanged 57

Let's prove the following theorem:

if the following are true:

expression state at time 57 = "iterate_args"
Variables Map at time 57 = [ entry self: (Python reference 0), [ ] ]

then Variables Map at time 58 = [ entry self: (Python reference 0), [ ] ]

Proof:

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Given

1	expression state at time 57 = "iterate_args"
2	Variables Map at time 57 = [ entry self: (Python reference 0), [ ] ]

Proof Table

#	Claim	Reason
1	Variables Map at time (57 + 1) = Variables Map at time 57	if expression state at time 57 = "iterate_args", then Variables Map at time (57 + 1) = Variables Map at time 57 (Iterate Insn (2))
2	Variables Map at time (57 + 1) = [ entry self: (Python reference 0), [ ] ]	if Variables Map at time (57 + 1) = Variables Map at time 57 and Variables Map at time 57 = [ entry self: (Python reference 0), [ ] ], then Variables Map at time (57 + 1) = [ entry self: (Python reference 0), [ ] ] (Transitive Property of Equality)
3	57 + 1 = 58	57 + 1 = 58 (Fixed Value Statement)
4	Variables Map at time (57 + 1) = Variables Map at time 58	if 57 + 1 = 58, then Variables Map at time (57 + 1) = Variables Map at time 58 (Substitution)
5	Variables Map at time 58 = [ entry self: (Python reference 0), [ ] ]	if Variables Map at time (57 + 1) = Variables Map at time 58 and Variables Map at time (57 + 1) = [ entry self: (Python reference 0), [ ] ], then Variables Map at time 58 = [ entry self: (Python reference 0), [ ] ] (Transitive Property of Equality Variation 2)

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