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Step * 1 1 of Lemma one_divs_any


1. a : ℤ@i
⊢ ∃c:ℤ. (a = (1 * c) ∈ ℤ)
BY
{ (DTerm ⌜a⌝ 0 THEN Auto) }

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Latex:

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Latex:

1.  a  :  \mBbbZ{}@i
\mvdash{}  \mexists{}c:\mBbbZ{}.  (a  =  (1  *  c))


By

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Latex:
(DTerm  \mkleeneopen{}a\mkleeneclose{}  0  THEN  Auto)

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