قراءة كتاب Memorabilia Mathematica or the Philomath's Quotation-Book
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Memorabilia Mathematica or the Philomath's Quotation-Book
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Alles Gescheite ist schon gedacht worden; man muss nur versuchen, es noch einmal zu denken.—Goethe.
Sprüche in Prosa, Ethisches, I. 1.
A great man quotes bravely, and will not draw on his invention when his memory serves him with a word as good.—Emerson.
Letters and Social Aims, Quotation and Originality.
MEMORABILIA MATHEMATICA
MEMORABILIA MATHEMATICA
CHAPTER I
DEFINITIONS AND OBJECT OF MATHEMATICS
101. I think it would be desirable that this form of word [mathematics] should be reserved for the applications of the science, and that we should use mathematic in the singular to denote the science itself, in the same way as we speak of logic, rhetoric, or (own sister to algebra) music.—Sylvester, J. J.
Presidential Address to the British Association, Exeter British Association Report (1869); Collected Mathematical Papers, Vol. 2, p. 659.
102. ... all the sciences which have for their end investigations concerning order and measure, are related to mathematics, it being of small importance whether this measure be sought in numbers, forms, stars, sounds, or any other object; that, accordingly, there ought to exist a general science which should explain all that can be known about order and measure, considered independently of any application to a particular subject, and that, indeed, this science has its own proper name, consecrated by long usage, to wit, mathematics. And a proof that it far surpasses in facility and importance the sciences which depend upon it is that it embraces at once all the objects to which these are devoted and a great many others besides; ....—Descartes.
Rules for the Direction of the Mind, Philosophy of D. [Torrey] (New York, 1892), p. 72.
103. [Mathematics] has for its object the indirect measurement of magnitudes, and it purposes to determine magnitudes by each other, according to the precise relations which exist between them.—Comte.
Positive Philosophy [Martineau], Bk. 1, chap. 1.