Proof: Do Class Defs At Unchanged 30

Let's prove the following theorem:

if the following are true:
  • expression state at time 30 = "begin_expr"
  • Class Map at time 30 = [ ]

then Class Map at time 31 = [ ]

Proof:

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Given
1 expression state at time 30 = "begin_expr"
2 Class Map at time 30 = [ ]
Proof Table
# Claim Reason
1 Class Map at time (30 + 1) = Class Map at time 30 if expression state at time 30 = "begin_expr", then Class Map at time (30 + 1) = Class Map at time 30
2 Class Map at time (30 + 1) = [ ] if Class Map at time (30 + 1) = Class Map at time 30 and Class Map at time 30 = [ ], then Class Map at time (30 + 1) = [ ]
3 30 + 1 = 31 30 + 1 = 31
4 Class Map at time (30 + 1) = Class Map at time 31 if 30 + 1 = 31, then Class Map at time (30 + 1) = Class Map at time 31
5 Class Map at time 31 = [ ] if Class Map at time (30 + 1) = Class Map at time 31 and Class Map at time (30 + 1) = [ ], then Class Map at time 31 = [ ]

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