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Step * 1 of Lemma minus-polynom_wf2


1. n : ℤ
2. p : ℤ
⊢ -p ∈ ℤ
BY
{ Auto }

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Latex:

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Latex:

1.  n  :  \mBbbZ{}
2.  p  :  \mBbbZ{}
\mvdash{}  -p  \mmember{}  \mBbbZ{}


By

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Latex:
Auto

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