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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, ,  ⊢  
  :
1axiom  ⊢  
 proveit.logic.booleans.implication.denial_via_contradiction
2assumption  ⊢  
3deduction4,  ⊢  
4instantiation5, 6, 7, ,  ⊢  
  :
5theorem  ⊢  
 proveit.logic.booleans.negation.negation_contradiction
6modus ponens8, 9,  ⊢  
7assumption  ⊢  
8assumption  ⊢  
9assumption  ⊢