An Introduction to General Logic

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Longmans, Green, 1892 - 283 oldal

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234. oldal - If all the year were playing holidays, To sport would be as tedious as to work...
225. oldal - 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.
224. oldal - If two or more instances of the phenomenon under investigation have only one circumstance in common, the circumstance in which alone all the instances agree is the cause (or effect) of the given phenomenon.
254. oldal - 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.
252. oldal - 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...
224. oldal - If an instance in which the phenomenon under investigation occurs, and an instance in which it does not occur, have every circumstance in common save one, that one occurring only in the former ; the circumstance in which alone the two instances differ is the effect or the cause, or an indispensable part of the cause, of the phenomenon.
225. oldal - Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents...
224. oldal - If tWO or more instances in which the phenomenon occurs have only one circumstance in common, while two or more instances in which it does not occur have nothing in common save the absence of that circumstance, the circumstances in which alone the two sets of instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon.
230. oldal - 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...
260. oldal - ... 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?

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