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Step * 1 1 of Lemma i-finite-iff-bounded


1. I : Interval
2. i-finite(I)
3. r : ℝ
4. r ∈ I
⊢ left-endpoint(I)≤r≤right-endpoint(I)
BY
{ (BLemma `i-member-finite`⋅ THEN Auto) }

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Latex:

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Latex:

1.  I  :  Interval
2.  i-finite(I)
3.  r  :  \mBbbR{}
4.  r  \mmember{}  I
\mvdash{}  left-endpoint(I)\mleq{}r\mleq{}right-endpoint(I)


By

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Latex:
(BLemma  `i-member-finite`\mcdot{}  THEN  Auto)

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