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Step * of Lemma rat-interval-face-self

∀I:ℚInterval. I ≤ I
BY
{ (Auto THEN D 1 THEN RepUR ``rat-interval-face`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}I:\mBbbQ{}Interval.  I  \mleq{}  I


By

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Latex:
(Auto  THEN  D  1  THEN  RepUR  ``rat-interval-face``  0  THEN  Auto)

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