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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, ,  ⊢  
  :
2theorem  ⊢  
 proveit.logic.booleans.negation.negation_contradiction
3modus ponens5, 6,  ⊢  
4assumption  ⊢  
5assumption  ⊢  
6assumption  ⊢