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Step * of Lemma fact-non-zero

∀[m:ℕ]. (¬((m)! = 0 ∈ ℤ))
BY
{ xxx(Auto THEN InstLemma `fact-positive` [⌜m⌝]⋅ THEN Auto)xxx }

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Latex:

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Latex:
\mforall{}[m:\mBbbN{}].  (\mneg{}((m)!  =  0))


By

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Latex:
xxx(Auto  THEN  InstLemma  `fact-positive`  [\mkleeneopen{}m\mkleeneclose{}]\mcdot{}  THEN  Auto)xxx

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