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Step * 2 of Lemma rlog_functionality_wrt_rless


1. x : {x:ℝ| x ∈ (r0, ∞)} 
⊢ r0 < (r1/x)
BY
{ (Reduce 1 THEN nRMul ⌜x⌝ 0⋅ THEN Auto) }

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Latex:

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Latex:

1.  x  :  \{x:\mBbbR{}|  x  \mmember{}  (r0,  \minfty{})\} 
\mvdash{}  r0  <  (r1/x)


By

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Latex:
(Reduce  1  THEN  nRMul  \mkleeneopen{}x\mkleeneclose{}  0\mcdot{}  THEN  Auto)

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