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Step * 2 1 1 1 1 of Lemma real_exp_wf


1. x : ℝ
2. y : x < (r1)/4
3. x1 : (r(-1))/4 < x
⊢ -((r1/r(4))) ≤ (r(-1)/r(4))
BY
{ (nRMul ⌜r(4)⌝ 0⋅ THEN Auto) }

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Latex:

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Latex:

1.  x  :  \mBbbR{}
2.  y  :  x  <  (r1)/4
3.  x1  :  (r(-1))/4  <  x
\mvdash{}  -((r1/r(4)))  \mleq{}  (r(-1)/r(4))


By

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Latex:
(nRMul  \mkleeneopen{}r(4)\mkleeneclose{}  0\mcdot{}  THEN  Auto)

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