Step of Proof: not-false 11,40

Inference at * 
Iof proof for Lemma not-false:


  (False)  True 
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 by Auto 
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DefinitionsP  Q, P & Q, P  Q, x:AB(x), A, P  Q, False, t  T, True
Lemmasnot wf, false wf, true wf

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