An Introduction to General Logic

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Longmans, Green, 1892 - Logic - 283 pages
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Page 235 - If all the year were playing holidays, To sport would be as tedious as to work...
Page 226 - Whatever phenomenon varies in any manner whenever another phenomenon varies in some particular manner, is either a cause or an effect of that phenomenon, or is connected with it through some fact of causation.
Page 255 - Upon the same base, and on the same side of it, there cannot be two triangles, that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extremity, equal to one another.
Page 253 - A man that hath no virtue in himself ever envieth virtue in others. For men's minds will either feed upon their own good, or upon others...
Page 226 - Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents...
Page 261 - ... exemplary.' I felt it so, the first time I saw the miracle, as it appeared to me; but I thought so much more, a year or two after, when a lady, to whom he had sacrificed some very precious time, on the supposition that she understood as much as she assumed to do, finished by saying 'Now, Mr. Babbage, there is only one thing more that I want to know. If you put the question in wrong, will the answer come out right?
Page 231 - On the Syllogism." Wm. P. Montague, Ways of Knowing, pp. 93 to 99. CHAPTER V: HYPOTHETICAL, ALTERNATIVE, AND DISJUNCTIVE SYLLOGISMS 1. Examine the following: a. If- all men were capable of perfection, some would have attained it. But no men have attained perfection. .'. No men are capable of perfection. b. If you needed food, I would give you money. But since you do not care to work, you cannot need food. .'. I will give you no money. 2. What may be inferred from the following? a. He always stays...
Page 284 - The difference between one event and another does not depend on the mere difference of the times or the places at which they occur, but only on differences in the nature, configuration, or motion of the bodies concerned.
Page 70 - All the angles of a triangle are less than two right angles" it is used distributively, the predicate applying to each and every angle of a triangle taken separately. In the proposition " All the angles of a triangle are equal to two right angles " it is used collectively, the predicate applying to all the angles taken together, and not to each separately.
Page 124 - Barbara, Celarent, Darii, Ferioque, prioris; Cesare, Camestres, Festino, Baroko, secundae; Tertia, Darapti, Disamis, Datisi, Felapton, Bokardo, Ferison, habet ; Quarta insuper addit Bramantip, Camenes, Dimaris, Fesapo, Fresison.

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