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Step * 2 2 1 of Lemma le-iff-less-or-equal


1. y : ℤ
⊢ y ≤ y
BY
{ TACTIC:RepeatFor 2 ((D 0 THEN Auto)) }

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Latex:

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Latex:

1.  y  :  \mBbbZ{}
\mvdash{}  y  \mleq{}  y


By

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Latex:
TACTIC:RepeatFor  2  ((D  0  THEN  Auto))

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