Proof: Do Class Defs At Unchanged 15

Let's prove the following theorem:

if the following are true:
  • expression state at time 15 = "begin_expr"
  • Class Map at time 15 = [ ]

then Class Map at time 16 = [ ]

Proof:

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Given
1 expression state at time 15 = "begin_expr"
2 Class Map at time 15 = [ ]
Proof Table
# Claim Reason
1 Class Map at time (15 + 1) = Class Map at time 15 if expression state at time 15 = "begin_expr", then Class Map at time (15 + 1) = Class Map at time 15
2 Class Map at time (15 + 1) = [ ] if Class Map at time (15 + 1) = Class Map at time 15 and Class Map at time 15 = [ ], then Class Map at time (15 + 1) = [ ]
3 15 + 1 = 16 15 + 1 = 16
4 Class Map at time (15 + 1) = Class Map at time 16 if 15 + 1 = 16, then Class Map at time (15 + 1) = Class Map at time 16
5 Class Map at time 16 = [ ] if Class Map at time (15 + 1) = Class Map at time 16 and Class Map at time (15 + 1) = [ ], then Class Map at time 16 = [ ]

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