An Introductory Logic

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Macmillan, 1898 - Logic - 392 pages
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Page 365 - No reason can be given why the general happiness is desirable, except that each person, so far as he believes it to be attainable, desires his own happiness. This, however, being a fact, we have not only all the proof which the case admits of, but all which it is possible to require, that happiness is good: that each person's happiness is a good to that person, and the general happiness, therefore, a good to the aggregate of all persons.
Page 62 - For he that shall well consider the errors and obscurity, the mistakes and confusion, that are spread in the world by an ill use of words, will find some reason to doubt whether language, as it has been employed, has contributed more to the improvement or hindrance of knowledge amongst mankind.
Page 58 - A non-connotative term is one which signifies a subject only, or an attribute only. A connotative term is one which denotes a subject, and implies an attribute.
Page 233 - We spent many hours in Cwm Idwal, examining all the rocks with extreme care, as Sedgwick was anxious to find fossils in them; but neither of us saw a trace of the wonderful glacial phenomena all around us; we did not notice the plainly scored rocks, the perched boulders, the lateral and terminal moraines. Yet these phenomena are so conspicuous that, as I declared...
Page 157 - It is the man of God, who was disobedient unto the word of the LORD : therefore the LORD hath delivered him unto the lion, which hath torn him, and slain him, according to the word of the LORD, which he spake unto him. 27 And he spake to his sons, saying, Saddle me the ass. And they saddled him.
Page 111 - No term must be distributed in the conclusion which was not distributed in one of the premises...
Page 199 - One is by comparing together different instances in which the phenomenon occurs. The other is by comparing instances in which the phenomenon does occur with instances in other respects similar in which it does not. These two methods may be respectively denominated the method of agreement and the method of difference.
Page 212 - 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 222 - Thus we may observe a very great similitude between this earth which we inhabit, and the other planets, Saturn, Jupiter, Mars, Venus, and Mercury. They all revolve round the sun, as the earth does, although at different distances and in different periods. They borrow all then- light from the sun, as the earth does.
Page 251 - ... cogent and abundant instances may exist to the contrary; yet either does not observe or despises them, or gets rid of and rejects them by some distinction, with violent and injurious prejudice, rather than sacrifice the authority...

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