Picture Logic: Or, The Grave Made Gay; an Attempt to Popularise the Science of Reasoning by the Combination of Humorous Pictures with Examples of Reasoning Taken from Daily Life
Longmans, Green, 1875 - 166 páginas
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Picture Logic: An Attempt to Popularise the Science of Reasoning by the ...
Alfred James Swinburne
Sin vista previa disponible - 2017
Términos y frases comunes
accident according already animal answer applied argument asked attributes becomes body called CHAPTER common terms comparison concepts conclusion connotation conversion correct course deep definition denotation difference differentia divided division dumpling Dyver equal existence explain express fallacies feel figure follow four genus give given heads horse idea individuals inference instance kind knowledge language laws Logic logician look major matter mean middle term mind minor premiss mood mortal negative never objects observed once particular particular facts pass point of view position possessed Practical predicate premiss probably propositions prove qualities question rational reason regard remarks remember replied rules science and art seemed seen senses sides simple Socrates speak species stars stone suppose syllogism tell things thought tion tree true truth turned understand universal valid Violates whole women
Página 9 - Then he wrote something on a slip of paper, and handed it to me. It was — 'All bodies tend to fall to the earth (uniformity or law of gravity).' ' There,' said he, 'that's the process; of course simple uniformities like these were observed long ago. I'm engaged in much more abstruse and complicated work now, but the process is precisely the same.
Página 138 - If this man were wise, he would not speak irreverently of Scripture in jest; and if he were good, he would not do so in earnest; but he does it, either in jest or earnest ; therefore he is either not wise or not good.
Página 159 - A thing cannot both be and not be. 3. The Law of Duality. A thing must either be or not be. ' ' The first of these statements may perhaps be regarded as a description of identity itself, if so fundamental a notion can admit of description. A thing at any moment is perfectly identical with itself, and, if any person were unaware of...
Página 113 - Again, the mathematical postulate that things which are equal to the same are equal to one another, is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Página 115 - There can only be four figures. Where the middle term is subject in the major and predicate in the minor premiss, where it is predicate in both, where it is subject in both, and where it is predicate and subject ; eg, take the mood AAA in all the four figures : — A. All B is A A.
Página 132 - All A is B All B is C All C is D All D is E /. All A is E 20.
Página 111 - All men are mortal, Socrates is a man, .'. Socrates is mortal.
Página 24 - Thought, usually stated as follows : — 1. The Law of Identity. Whatever is, is. 2. The Law of Contradiction. A thing cannot both be and not be. 3. The Law of Duality. A thing must either be or not be.
Página 154 - Jinal cause. Hence there are four things without which a statue ceases to be a statue, and these are the four causes. CONCEPTION (See Faculties). CONCEPTUALIST (See Nominalist). CONTRADICTORY (See Terms). DIALECTIC. The art of discoursing. Also the old name of Logic. Several other meanings. DICTUM DE OMNI ET NULLO. This means to say that what is true of a class is true of each individual in the class. Now to those who hold that classes are merely the sum of individuals composing them, this assertion...
Página 128 - A," but we must not convert an A proposition simply, we must employ conversion per accidens, and it becomes