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Step * 1 of Lemma adjacent-frs-points


1. p : ℝ List
2. i : ℕ||p|| - 1
3. frs-non-dec(p)
⊢ r0 ≤ (p[i + 1] - p[i])
BY
{ (nRAdd ⌜p[i]⌝ 0⋅ THEN Auto) }

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Latex:

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Latex:

1.  p  :  \mBbbR{}  List
2.  i  :  \mBbbN{}||p||  -  1
3.  frs-non-dec(p)
\mvdash{}  r0  \mleq{}  (p[i  +  1]  -  p[i])


By

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Latex:
(nRAdd  \mkleeneopen{}p[i]\mkleeneclose{}  0\mcdot{}  THEN  Auto)

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