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Step * 1 1 of Lemma zero-div-rem


1. x : ℤ-o
⊢ 0 < |x|
BY
{ TACTIC:(BLemma `absval-positive` THEN Auto) }

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Latex:

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Latex:

1.  x  :  \mBbbZ{}\msupminus{}\msupzero{}
\mvdash{}  0  <  |x|


By

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Latex:
TACTIC:(BLemma  `absval-positive`  THEN  Auto)

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