The book The Collected Works of Dugald Stewart volume 3 was written by author Stewart, Dugald, 1753-1828 Here you can read free online of The Collected Works of Dugald Stewart volume 3 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Collected Works of Dugald Stewart volume 3 a good or bad book?
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From the foregoing considerations it appears, that in mathe- matics, definitions answer two purposes ; first, To prevent ambiguities of language ; and secondly, To serve as the prin- ciples of our reasoning. It appears further, that it is to the latter of these circumstances (I mean to the employment of hypotheses instead of facts, as the data on which we proceed) that the peculiar force of demonstrative evidence is to be ascribed. It is however only in the former use of definitions, that any p...arallel can be drawn between mathematics and those branches of knowledge which relate to facts ; and therefore it is not a fair argument in proof of their general utility, to appeal to the unrivalled certainty of mathematical science a pre-eminence which that science derives from a source altogether different, though comprehended under the same name, and CHAP. II. SEASONING AND DEDUCTION. ( 3. ) 119 which she will for ever claim as her own exclusive pre- rogative. 1 Nor ought it to be forgotten, that it is in pure mathematics alone that definitions can be attempted with propriety at the outset of our investigations.
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