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Step * of Lemma no-uniform-xmiddle

¬(∀[P:ℙ]. (P ∨ (¬P)))
BY
{ (D 0 THEN Auto) }

1
1. ∀[P:ℙ]. (P ∨ (¬P))@i'
⊢ False

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Latex:

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Latex:
\mneg{}(\mforall{}[P:\mBbbP{}].  (P  \mvee{}  (\mneg{}P)))


By

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Latex:
(D  0  THEN  Auto)

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