The Science of Logic: Or, An Analysis of the Laws of Thought

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A. S. Barnes & Company, 1857 - Logic - 387 pages
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Page 239 - And when they brought out the money that was brought into the house of the LORD, Hilkiah the priest found a book of the law of the LORD given by Moses.
Page 217 - It is inconceivable, that inanimate brute matter should, without the mediation of something else, which is not material, operate upon, and affect other matter without mutual contact; as it must do, if gravitation, in the sense of Epicurus, be essential and inherent in it.
Page 1 - But words are things, and a small drop of ink, Falling like dew, upon a thought, produces That which makes thousands, perhaps millions, think...
Page 245 - This is a Fallacy with which men are extremely apt to deceive themselves: for when a multitude of particulars are presented to the mind, many are too weak or too indolent to take a comprehensive view of them; but confine their attention to each single point, by turns; and then decide, infer, and act, accordingly; eg the imprudent spendthrift, finding that he is able to afford this, or that, or the other expense, forgets that all of them, together will ruin him.
Page 305 - All men are mortal Socrates is a man therefore -•'Socrates is mortal; it is unanswerably urged by the adversaries of the syllogistic f. I theory, that the proposition, Socrates is mortal, is presupposed in the more general assumption, All men are mortal...
Page 306 - All men are mortal: that the general principle, instead of being given as evidence of the particular case cannot itself be taken for true without exception, until every shadow of doubt which could affect any case comprised with it, is dispelled by evidence aliunde; and then what remains for the syllogism to prove?
Page 275 - Judgment is the comparing together in the mind two of the notions (or ideas) which are the objects of Apprehension, whether complex or incomplex, and pronouncing that they agree or disagree with each other : (or that one of them belongs or does not belong to the other.) Judgment, therefore, is either affirmative or negative.
Page 245 - They might argue, in like manner, that because it is not very improbable one may throw sixes in any one out of a hundred throws, therefore it is no more improbable that one may throw sixes a hundred times running.
Page 33 - the mention of language, previously to the definition of logic, I have departed from established practice, in order that it may be clearly understood, that logic is entirely conversant about language ; a truth which most writers on the subject, if indeed they were fully aware of it themselves, have certainly not taken due care to impress on their readers."1 (P. 56.) And again: — "Logic is wholly concerned in the use of language.
Page 257 - A good instance of the employment and exposure of this Fallacy occurs in Thucydides, in the speeches of Cleon and Diodotus concerning the Mitylenseans: the former (over and above his appeal to the angry passions of his audience,) urges the justice of putting the revolters to death; which, as the latter remarked, was nothing to the purpose, since the Athenians were not sitting in judgment, but in deliberation, of which the proper end is exped'lency.

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