Step
*
1
of Lemma
real-vec-sep-msep-prod-metric
1. n : ℕ
2. a : ℝ^n
3. c : ℝ^n
4. ∃i:ℕn. (r0 < |(a i) - c i|)
⊢ r0 < Σ{|(a i) - c i| | 0≤i≤n - 1}
BY
{ (RWO "rsum-of-nonneg-positive-iff" 0 THEN Auto THEN ParallelLast) }
Latex:
Latex:
1. n : \mBbbN{}
2. a : \mBbbR{}\^{}n
3. c : \mBbbR{}\^{}n
4. \mexists{}i:\mBbbN{}n. (r0 < |(a i) - c i|)
\mvdash{} r0 < \mSigma{}\{|(a i) - c i| | 0\mleq{}i\mleq{}n - 1\}
By
Latex:
(RWO "rsum-of-nonneg-positive-iff" 0 THEN Auto THEN ParallelLast)
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