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Step * of Lemma mcompact-interval

∀a,b:ℝ.  mcompact({x:ℝ| x ∈ [a, b]} ;rmetric()) supposing a ≤ b
BY
{ (Auto THEN D 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}a,b:\mBbbR{}.    mcompact(\{x:\mBbbR{}|  x  \mmember{}  [a,  b]\}  ;rmetric())  supposing  a  \mleq{}  b


By

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Latex:
(Auto  THEN  D  0  THEN  Auto)

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