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Step * 1 of Lemma no-uniform-xmiddle


1. ∀[P:ℙ]. (P ∨ (¬P))@i'
⊢ False
BY
{ RenameVar `x' (-1) }

1
1. x : ∀[P:ℙ]. (P ∨ (¬P))@i'
⊢ False

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Latex:

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Latex:

1.  \mforall{}[P:\mBbbP{}].  (P  \mvee{}  (\mneg{}P))@i'
\mvdash{}  False


By

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Latex:
RenameVar  `x'  (-1)

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