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Step * 1 of Lemma icompact-length-nonneg


1. I : Interval
2. i-nonvoid(I)
3. i-closed(I)
4. i-finite(I)
⊢ left-endpoint(I) ≤ right-endpoint(I)
BY
{ (D 2 THEN (FLemma `i-member-finite` [3] THENM D -1) THEN Auto)⋅ }

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Latex:

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Latex:

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


By

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Latex:
(D  2  THEN  (FLemma  `i-member-finite`  [3]  THENM  D  -1)  THEN  Auto)\mcdot{}

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