Elementary Lessons in Logic: Deductive and Inductive. With Copious Questions and Examples, and a Vocabulary of Logical Terms |
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Page 15
... inferred or col- lected from them ; and the premises are so called because they are put forward or at the beginning ( Latin præ , be- fore , and mitto , I send or put ) . The essence of the pro- cess consists in gathering the truth that ...
... inferred or col- lected from them ; and the premises are so called because they are put forward or at the beginning ( Latin præ , be- fore , and mitto , I send or put ) . The essence of the pro- cess consists in gathering the truth that ...
Page 77
... infer either the truth or falsity of the universal of the same quality . These pairs of propositions are called subalterns , i . e . one under the other ( Latin sub under , and alter the other of two ) , or we may say more exactly that ...
... infer either the truth or falsity of the universal of the same quality . These pairs of propositions are called subalterns , i . e . one under the other ( Latin sub under , and alter the other of two ) , or we may say more exactly that ...
Page 81
... infer whenever we draw one truth from another truth , or pass from one proposition to another . As Sir W. Hamilton says , Inference is " the carrying out into the last proposition what was virtually contained in the antecedent judgments ...
... infer whenever we draw one truth from another truth , or pass from one proposition to another . As Sir W. Hamilton says , Inference is " the carrying out into the last proposition what was virtually contained in the antecedent judgments ...
Page 82
... infer is that " . some elements are metals ; " this converse proposition agrees with the rule , and the pro- cess by which we thus pass from A to I is called Con- version by Limitation , or Per accidens . When the converse is a ...
... infer is that " . some elements are metals ; " this converse proposition agrees with the rule , and the pro- cess by which we thus pass from A to I is called Con- version by Limitation , or Per accidens . When the converse is a ...
Page 83
... inferred from the con- vertend . The proposition O , then , is only to be converted by this exceptional method of negation . Another process of conversion can be applied to the proposition A , and is known as conversion by contra ...
... inferred from the con- vertend . The proposition O , then , is only to be converted by this exceptional method of negation . Another process of conversion can be applied to the proposition A , and is known as conversion by contra ...
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Elementary Lessons in Logic: Deductive and Inductive - Scholar's Choice Edition William Stanley Jevons No preview available - 2015 |
Common terms and phrases
ABCD adjective ambiguous angles animal antecedent applied argument Aristotle assert belong bodies called cause character circumstances class of things combinations common compound conclusion connotation considered consists contains contrapositive conversion copula Crown 8vo defined definition denote derived disjunctive syllogism distinct distinguished division earth Edition effect elementary employed equal exactly example exist explained expressed fact fallacy fallacy of accident false fcap figure genus geometrical gism give Greek heat hypothetical syllogism implied Induction inference instance iron J. S. Mill 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 Mill's mind minor mode moods nature negative notion objects observed particular planets possess predicate properties prove qualities quantity reader reasoning resemblance rules sentence simple species syllogism theory tion treated treatise triangle true truth universal verb words
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