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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
0deduction1, , , ,  ⊢  
1instantiation2, 3, 4, 5, , , , ,  ⊢  
  : , :
2theorem  ⊢  
 proveit.logic.booleans.disjunction.binary_or_contradiction
3assumption  ⊢  
4instantiation8, 6, 7, 11, ,  ⊢  
  : , :
5instantiation8, 9, 10, 11, ,  ⊢  
  : , :
6assumption  ⊢  
7assumption  ⊢  
8theorem  ⊢  
 proveit.logic.booleans.implication.modus_tollens_denial
9assumption  ⊢  
10assumption  ⊢  
11assumption  ⊢