The Elements of Deductive Logic: Designed Mainly for the Use of Junior Students in the Universities |
From inside the book
Results 1-5 of 16
Page 38
... equal to two right angles . ' A synonym , it need hardly be stated , is an equivalent word , and a definition is an exposition of the connotation of a term . Now it will be observed that the definition of a plane triangle consists of ...
... equal to two right angles . ' A synonym , it need hardly be stated , is an equivalent word , and a definition is an exposition of the connotation of a term . Now it will be observed that the definition of a plane triangle consists of ...
Page 39
... equal to two right angles , ' ' rectilineal figure ' is , as before , to be regarded as a genus , but the attributive ' having the sum of its angles equal to two right angles ' cannot be regarded as a differentia , for it is not ...
... equal to two right angles , ' ' rectilineal figure ' is , as before , to be regarded as a genus , but the attributive ' having the sum of its angles equal to two right angles ' cannot be regarded as a differentia , for it is not ...
Page 41
... equal extent . We may take as instances of the various forms which propo- sitions of this kind assume , ' Charity is love , ' ' Honesty is the best policy , ' ' Definition is the exposition of the con- notation of a term . ' Now in the ...
... equal extent . We may take as instances of the various forms which propo- sitions of this kind assume , ' Charity is love , ' ' Honesty is the best policy , ' ' Definition is the exposition of the con- notation of a term . ' Now in the ...
Page 42
... equal , ' or in the proposition ' A circle is a figure the ratio of whose circumference to its diameter is approximately 3.14159 : 1. ' As instances of propositions in which the predicate expresses ( 8 ) a pro- perty following from the ...
... equal , ' or in the proposition ' A circle is a figure the ratio of whose circumference to its diameter is approximately 3.14159 : 1. ' As instances of propositions in which the predicate expresses ( 8 ) a pro- perty following from the ...
Page 49
... equal to two right angles , ' ' Some men are black . ' It is plain that all particular affirmative propositions are real . 6 Note . The distinction between verbal and real propo- sitions is otherwise expressed by that between Analytical ...
... equal to two right angles , ' ' Some men are black . ' It is plain that all particular affirmative propositions are real . 6 Note . The distinction between verbal and real propo- sitions is otherwise expressed by that between Analytical ...
Other editions - View all
Common terms and phrases
abstract terms act or operation affirmed or denied ambiguity animals applied argue argument Aristotle assert called CHAPTER collective term common term conclusion conjunctive syllogism connotation consequently copula Crown 8vo deductive inference deductive reasoning definition differentia disjunctive proposition disjunctive syllogism distinction distinguish distributed distribution of terms dividing members division edition employed equilateral Euathlus fallacies of composition fallacy false G is H genus gism group of attributes group of individuals Hence human ignoratio elenchi illicit process immediate inference inductive inseparable accident instance language latter legitimate logicians major premiss meaning middle term minor negative Note particular premiss permutation petitio principii plane triangle poets possible moods predicate probably rectilineal figures regarded relation saw yesterday shews simply singular and collective singular or collective Socrates Sorites species student subject and predicate term defined term expressive thoughts three-sided tion true truth virtue W. W. SKEAT word
Popular passages
Page 179 - Hath not a Jew eyes? hath not a Jew hands, organs, dimensions, senses, affections, passions? fed with the same food, hurt with the same weapons, subject to the same diseases, healed by the same means, warmed and cooled by the same winter and summer, as a Christian is? If you prick us, do we not bleed ? if you tickle us, do we not laugh ? if you poison us, do we not die ? and if you wrong us, shall we not revenge ? If we are like you in the rest, we will resemble you in that.
Page 58 - All definitions are of names, and of names only; but, in some definitions, it is clearly apparent, that nothing is intended except to explain the meaning of the word; while in others, besides explaining the meaning of the word, it is intended to be implied that there exists a thing, corresponding to the word.
Page 154 - A servant who was roasting a stork for his master, was prevailed upon by his sweetheart to cut off a leg for her to eat. When the bird came upon table, the master desired to know what was become of the other leg. The man answered, that storks had never more than one leg.
Page 178 - Wood, stones, fire, water, flesh, iron, and the like things, which I name and discourse of, are things that I know. And I should not have known them, but that I perceived them by my senses; and things perceived by the senses are immediately perceived; and things immediately perceived are ideas; and ideas cannot exist without the mind; their existence therefore consists in being perceived; when therefore they are actually perceived, there can be no doubt of their existence.
Page 148 - to allow every man an unbounded freedom of speech must always be, on the whole, advantageous to the State; for it is highly conducive to the interests of the Community, that each individual should enjoy a liberty perfectly unlimited, of expressing his sentiments.
Page 154 - ... determined to strike his servant dumb before he punished him, took him next day into the fields where they saw storks, standing each on one leg, as storks do. The servant turned triumphantly to his master, on which the latter shouted and the birds put down their other legs and flew away. 'Ah, sir...
Page 168 - The general stock of any country or society is the same with that of all its inhabitants or members, and therefore naturally divides itself into the same three portions, each of which has a distinct function or office. The...
Page 172 - For those who are bent on cultivating their minds by diligent study, the incitement of academical honours is unnecessary; and it is ineffectual, for the idle, and such as are indifferent to mental improvement: therefore the incitement of academical honours is either unnecessary or ineffectual.
Page 173 - In a higher world it is otherwise; but here below to live is to change, and to be perfect is to have changed often.
Page 180 - It is, indeed, an elaborate and correct analysis. But it is an analysis of that which we are all doing from morning to night, and which we continue to do even in our dreams.