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Step * of Lemma no-excluded-middle-squash

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¬↓∀P:ℙ. (P ∨ (¬P))
BY
{ ((D 0 THENA Auto) THEN InstLemma no-excluded-middle []⋅ THEN Auto) }

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Latex:

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


By

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Latex:
((D  0  THENA  Auto)  THEN  InstLemma  no-excluded-middle  []\mcdot{}  THEN  Auto)

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