Elementary Lessons in Logic: Deductive and Inductive : with Copious Questions and Examples, and a Vocabulary of Logical Terms |
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Page vi
... rules of Algebra . Yet every school - boy is made to learn mathematical problems which he will never employ in after life , and is left in total ignorance of those simple principles and forms of reasoning which will enter into the ...
... rules of Algebra . Yet every school - boy is made to learn mathematical problems which he will never employ in after life , and is left in total ignorance of those simple principles and forms of reasoning which will enter into the ...
Page x
... Rules of the Syllogism ........................ .. 126 XVI . The Moods and Figures of the Syllogism ...... 135 XVII . Reduction of the Imperfect Figures 144 XVIII . XIX . Irregular and Compound Syllogisms Of Conditional Arguments ...
... Rules of the Syllogism ........................ .. 126 XVI . The Moods and Figures of the Syllogism ...... 135 XVII . Reduction of the Imperfect Figures 144 XVIII . XIX . Irregular and Compound Syllogisms Of Conditional Arguments ...
Page 7
... rules to assist persons in detecting false reasoning . A science teaches us to know and an art to do , and all the more perfect sciences lead to the creation of corresponding useful arts . As- tronomy is the foundation of the art of ...
... rules to assist persons in detecting false reasoning . A science teaches us to know and an art to do , and all the more perfect sciences lead to the creation of corresponding useful arts . As- tronomy is the foundation of the art of ...
Page 24
... rule is that wherever the question is one of degree or quantity a medium is possible , and the subject belongs rather to the science of quantity than to simple logic ; where the question is one of the presence or absence of a quality ...
... rule is that wherever the question is one of degree or quantity a medium is possible , and the subject belongs rather to the science of quantity than to simple logic ; where the question is one of the presence or absence of a quality ...
Page 38
... rule singly over countries ; the persons themselves form the meaning in extension ; the quality of ruling alone forms the intensive meaning of the name . Animal is the name in extension of any one of billions of existing creatures and ...
... rule singly over countries ; the persons themselves form the meaning in extension ; the quality of ruling alone forms the intensive meaning of the name . Animal is the name in extension of any one of billions of existing creatures and ...
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Common terms and phrases
ABCD ambiguous angles animal antecedent applied argument Aristotle assert belong bodies brittle called cause character circumstances combinations common compound conclusion connotation considered consists contains contrapositive conversion copula Crown 8vo defined definition denote disjunctive syllogism distinct distinguished earth Edition effect elementary employed equal exactly example exist experiment explained expressed fact fallacy fallacy of accident false Fcap figure genus geometrical gism give gravitation Greek heat hypothetical hypothetical syllogism Illicit Major Induction inference instance iron kind knowledge known language Latin Laws of Thought LESSON Logic logicians major premise major term material fallacies Mathematical meaning ment metals are elements method middle term mind minor term mode moods moon nature negative notion objects observed particular perfect planets possess predicate properties prove qualities quantity reader reasoning rules sentence simple species substances syllogism theory things tion treated treatise triangle true truth universal verb words
Popular passages
Page 240 - 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.
Page 16 - ... the discussion of such deeper questions of principle as are likely to present themselves to the reflective student in connexion with the methods and processes of his previous course.
Page 316 - Which of you convinceth me of sin ? And if I say the truth, why do ye not believe me? He that is of God heareth God's words : ye therefore hear them not, because ye are not of God.
Page 306 - But the wisdom that is from above is first pure, then peaceable, gentle, and easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy.
Page 20 - THE FIRST THREE SECTIONS OF NEWTON'S PRINCIPIA. With Notes and Illustrations. Also a Collection of Problems, principally intended as Examples of Newton's Methods. By PERCIVAL FROST, MA, late Fellow of St. John's College, Mathematical Lecturer of King's College, Cambridge.
Page 252 - Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents, and the residue of the phenomenon is the effect of the remaining antecedents.
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Page 20 - Newton, by showing the extent to which they may be applied in the solution of problems ; he has also endeavoured to give assistance to the student who is engaged in the study of the higher branches of Mathematics, by representing in a geometrical form several of the processes employed in the Differential and Integral Calculus, and in the analytical investigations of Dynamics.
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