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Step * of Lemma decidable__squash

∀[p:ℙ]. (Dec(p) ⇒ Dec(↓p))
BY
{ (Auto THEN RepeatFor 2 (ParallelLast) THEN D 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[p:\mBbbP{}].  (Dec(p)  {}\mRightarrow{}  Dec(\mdownarrow{}p))


By

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Latex:
(Auto  THEN  RepeatFor  2  (ParallelLast)  THEN  D  0  THEN  Auto)

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