Elementary Lessons in Logic: Deductive and Inductive : with Copious Questions and Examples, and a Vocabulary of Logical Terms |
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Page vi
... present as precise a sub- ject of instruction and as vigorous an exercise of thought , as the properties of geometrical figures , or the rules of Algebra . Yet every school - boy is made to learn mathematical problems which he will ...
... present as precise a sub- ject of instruction and as vigorous an exercise of thought , as the properties of geometrical figures , or the rules of Algebra . Yet every school - boy is made to learn mathematical problems which he will ...
Page 8
... presents any difficulty or complexity . The study of logic then cannot be useless . It not only explains the principles on which every one has often reasoned correctly before , but points out the dangers which exist of erroneous ...
... presents any difficulty or complexity . The study of logic then cannot be useless . It not only explains the principles on which every one has often reasoned correctly before , but points out the dangers which exist of erroneous ...
Page 12
... present to our senses . In fact , the use of a term , such as those given as examples , is merely as a substitute for the exhibition of the actual things named . Judgment is a different action of mind , and consists in comparing ...
... present to our senses . In fact , the use of a term , such as those given as examples , is merely as a substitute for the exhibition of the actual things named . Judgment is a different action of mind , and consists in comparing ...
Page 13
... present day how- ever that nothing can physically exist corresponding to a general notion , because it must exist here or there , of this size or of that size , and therefore it would be one particu- lar planet , and not any planet ...
... present day how- ever that nothing can physically exist corresponding to a general notion , because it must exist here or there , of this size or of that size , and therefore it would be one particu- lar planet , and not any planet ...
Page 19
... present itself in more obscure forms , and is then likely to produce erroneous reasoning , as will be pointed out in Lesson XX . It is easy to see that we must not divide terms into those which are general and those which are collective ...
... present itself in more obscure forms , and is then likely to produce erroneous reasoning , as will be pointed out in Lesson XX . It is easy to see that we must not divide terms into those which are general and those which are collective ...
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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.
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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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