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Dec 20, 2017 at 3:35 comment added roy smith @LSpice,This is a (double starred) propblem near the end of chapter 11, "Significance of the derivative", in Spivak's calculus book, and seems to derive from one by H.A.Schwartz.
Dec 12, 2017 at 17:38 comment added LSpice How does one prove (4) using compactness?
Feb 27, 2012 at 22:49 history edited David White CC BY-SA 3.0
Texified, since question was on front-page anyway
Jan 18, 2011 at 19:10 comment added roy smith In fact, it seems to be an exercise, using compactness, to prove corollary 4) above directly from the definition of a derivative. Thus one can eliminate the MVT entirely from 1st semester calculus, including any application of antiderivatives including the fundamental theorem of calculus, and still prove everything, if desired.
Nov 23, 2010 at 18:41 history edited roy smith CC BY-SA 2.5
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Nov 22, 2010 at 23:55 history edited roy smith CC BY-SA 2.5
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Nov 22, 2010 at 20:24 history answered roy smith CC BY-SA 2.5