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Step * of Lemma iproper-roiint

∀x:ℝ. iproper((x, ∞))
BY
{ (RepUR ``iproper i-finite`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}x:\mBbbR{}.  iproper((x,  \minfty{}))


By

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Latex:
(RepUR  ``iproper  i-finite``  0  THEN  Auto)

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