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1400. On Differentiation
Published online by Cambridge University Press: 15 September 2017
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- Mathematical Notes
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- Copyright © Mathematical Association 1939
References
* XXII, 251, p. 374.
† See XIII, 190 (Oct. 1927), p. 412. Note the expression of these fundamental cases in terms of the basic numbers 0 and 1.
‡ Note the proof of these—bearing back very simply upon the definition of arc- length (see also Note 1208 ; XX, 240 (Oct. 1936), p. 276)—in XIII, 190, p. 414. At that time the &-limit and its implications were not clear in my mind.