The Substitution of Similars: The True Principle of Reasoning, Derived from a Modification of Aristotle's Dictum |
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Page 8
... logicians must feel that something is still wanting . So much diversity and obscurity are no usual marks of truth , and it is almost 1 Baden Powell , " Unity of the Sciences , " p . 41 . incredible that the true general system of ...
... logicians must feel that something is still wanting . So much diversity and obscurity are no usual marks of truth , and it is almost 1 Baden Powell , " Unity of the Sciences , " p . 41 . incredible that the true general system of ...
Page 9
... logicians have altered the form of Aristotle's proposition without making any corre- sponding alteration in the dictum or self - evident principle which formed the fundamental postulate of his system . They have thus got the right form ...
... logicians have altered the form of Aristotle's proposition without making any corre- sponding alteration in the dictum or self - evident principle which formed the fundamental postulate of his system . They have thus got the right form ...
Page 11
... logicians have altered , at the same time and in a corresponding manner , the postulate according to which the proposition is to be em- ployed ? Ought we not now to say that whatever is known of either term of the proposition is known ...
... logicians have altered , at the same time and in a corresponding manner , the postulate according to which the proposition is to be em- ployed ? Ought we not now to say that whatever is known of either term of the proposition is known ...
Page 37
... logicians had in their day given to many common forms of reasoning.1 I will employ their example , which is as follows : - ( 1 ) The sun is an insensible thing , ( 2 ) The Persians worship the sun , ( 3 ) The Persians , therefore ...
... logicians had in their day given to many common forms of reasoning.1 I will employ their example , which is as follows : - ( 1 ) The sun is an insensible thing , ( 2 ) The Persians worship the sun , ( 3 ) The Persians , therefore ...
Page 43
... logicians formed a complete list of the limited number of forms obeying these artificial rules , and composed a curious set of mnemonic lines by which they might be committed to memory . These lines , the venerable Barbara celarent ...
... logicians formed a complete list of the limited number of forms obeying these artificial rules , and composed a curious set of mnemonic lines by which they might be committed to memory . These lines , the venerable Barbara celarent ...
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Common terms and phrases
A B C D abacus ABCD adjective affirmative proposition analogy appear apply Aristotle Aristotle's dictum assert axiom axiom of Euclid Boole Boole's calculus Cambridge canon cloth conclusion consists copula corresponding Crown 8vo differs Diseases ELEMENTARY TREATISE equal equal-sided equivalent expression fallacy fcap follows form of inference forms of reasoning formula George Bentham hence identity indefinite indirect inequalities infallible Iron J. S. Mill law of duality laws of thought Lectures ledge logicians mathematical reasoning means ment metals are elements method mind monarch nature negative proposition obtained Owens College oxygen Philosophy pound weight premises principle of substitution Professor proposition or equation quantification quantity relation represented Royal scientific Second Edition second member self-evident self-luminous Sir William Hamilton slips subject and predicate substitution of similars syllogism symbols term element THEORY Thomson tion triangle true truth undecomposable substance University University of Cambridge
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