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Step * 2 1 of Lemma infinitesmal-zero

.....assertion..... 
1. x : ℝ
2. ∀[k:ℕ+]. (|x| ≤ (r1/r(k)))
⊢ ∀k:ℕ+. rnonneg2(λn.((2 * n) - k * |x n|))
BY
{ ParallelLast }

1
1. x : ℝ
2. k : ℕ+
3. |x| ≤ (r1/r(k))
⊢ rnonneg2(λn.((2 * n) - k * |x n|))

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Latex:

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Latex:
.....assertion..... 
1.  x  :  \mBbbR{}
2.  \mforall{}[k:\mBbbN{}\msupplus{}].  (|x|  \mleq{}  (r1/r(k)))
\mvdash{}  \mforall{}k:\mBbbN{}\msupplus{}.  rnonneg2(\mlambda{}n.((2  *  n)  -  k  *  |x  n|))


By

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Latex:
ParallelLast

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