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Show the Proof

In [1]:
import proveit
# Automation is not needed when only showing a stored proof:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%show_proof
Out[1]:
 step typerequirementsstatement
0instantiation1, 2, 3, 4  ⊢  
  : , :
1theorem  ⊢  
 proveit.logic.booleans.disjunction.or_if_left
2instantiation5, 6  ⊢  
  :
3instantiation7  ⊢  
  : , :
4reference6  ⊢  
5theorem  ⊢  
 proveit.logic.booleans.in_bool_if_true
6instantiation8, 9  ⊢  
  : , :
7axiom  ⊢  
 proveit.logic.equality.equality_in_bool
8theorem  ⊢  
 proveit.logic.equality.equals_reversal
9assumption  ⊢