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Step * of Lemma absval_nat_plus

∀[x:ℤ]. |x| ∈ ℕ+ supposing ¬(x = 0 ∈ ℤ)
BY
{ ((Auto THEN MemTypeCD) THEN Auto) }

1
.....set predicate..... 
1. x : ℤ
2. ¬(x = 0 ∈ ℤ)
⊢ 0 < |x|

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Latex:

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Latex:
\mforall{}[x:\mBbbZ{}].  |x|  \mmember{}  \mBbbN{}\msupplus{}  supposing  \mneg{}(x  =  0)


By

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Latex:
((Auto  THEN  MemTypeCD)  THEN  Auto)

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