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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, 5, 6, ,  ⊢  
  : , : , :
1theorem  ⊢  
 proveit.logic.booleans.disjunction.singular_constructive_dilemma
2reference9  ⊢  
3instantiation7, 9  ⊢  
  :
4instantiation8, 9  ⊢  
  :
5assumption  ⊢  
6assumption  ⊢  
7theorem  ⊢  
 proveit.logic.booleans.negation.closure
8theorem  ⊢  
 proveit.logic.booleans.unfold_is_bool
9assumption  ⊢