Proof: Do Variables At Unchanged 61

Let's prove the following theorem:

if the following are true:
  • expression state at time 61 = "call_function_begin"
  • Variables Map at time 61 = [ entry self: (Python reference 0), [ ] ]

then Variables Map at time 62 = [ entry self: (Python reference 0), [ ] ]

Proof:

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Given
1 expression state at time 61 = "call_function_begin"
2 Variables Map at time 61 = [ entry self: (Python reference 0), [ ] ]
Proof Table
# Claim Reason
1 Variables Map at time (61 + 1) = Variables Map at time 61 if expression state at time 61 = "call_function_begin", then Variables Map at time (61 + 1) = Variables Map at time 61
2 Variables Map at time (61 + 1) = [ entry self: (Python reference 0), [ ] ] if Variables Map at time (61 + 1) = Variables Map at time 61 and Variables Map at time 61 = [ entry self: (Python reference 0), [ ] ], then Variables Map at time (61 + 1) = [ entry self: (Python reference 0), [ ] ]
3 61 + 1 = 62 61 + 1 = 62
4 Variables Map at time (61 + 1) = Variables Map at time 62 if 61 + 1 = 62, then Variables Map at time (61 + 1) = Variables Map at time 62
5 Variables Map at time 62 = [ entry self: (Python reference 0), [ ] ] if Variables Map at time (61 + 1) = Variables Map at time 62 and Variables Map at time (61 + 1) = [ entry self: (Python reference 0), [ ] ], then Variables Map at time 62 = [ entry self: (Python reference 0), [ ] ]

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