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Step * 1 1 1 of Lemma rmin_ub


1. x : ℝ@i
2. y : ℝ@i
3. z : ℝ@i
4. rnonneg(x + -(z))@i
5. rnonneg(y + -(z))@i
⊢ rnonneg(rmin(x + -(z);y + -(z)))
BY
{ (BLemma `rmin-nonneg` THEN Auto)⋅ }

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Latex:

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Latex:

1.  x  :  \mBbbR{}@i
2.  y  :  \mBbbR{}@i
3.  z  :  \mBbbR{}@i
4.  rnonneg(x  +  -(z))@i
5.  rnonneg(y  +  -(z))@i
\mvdash{}  rnonneg(rmin(x  +  -(z);y  +  -(z)))


By

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Latex:
(BLemma  `rmin-nonneg`  THEN  Auto)\mcdot{}

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