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Step * of Lemma q-rel-lub_wf

∀[r1,r2:ℤ].  (q-rel-lub(r1;r2) ∈ ℤ)
BY
{ (Unfold `q-rel-lub` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[r1,r2:\mBbbZ{}].    (q-rel-lub(r1;r2)  \mmember{}  \mBbbZ{})


By

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Latex:
(Unfold  `q-rel-lub`  0  THEN  Auto)

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