The Principles of Science: A Treatise on Logic and Scientific MethodMacmillan, 1887 - 786 páginas |
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Página 69
... effect might readily be quoted , and if the question were to be determined by the weight of historical evidence , it would certainly go against my view . Among recent logicians Hamilton , as well as Boole , took the exclusive side . But ...
... effect might readily be quoted , and if the question were to be determined by the weight of historical evidence , it would certainly go against my view . Among recent logicians Hamilton , as well as Boole , took the exclusive side . But ...
Página 71
... effect . When such doubts can arise , it is evidently impossible to treat alternatives as absolutely exclusive by the logical nature of the relation . It becomes purely a question of the matter of the proposition . The question , as we ...
... effect . When such doubts can arise , it is evidently impossible to treat alternatives as absolutely exclusive by the logical nature of the relation . It becomes purely a question of the matter of the proposition . The question , as we ...
Página 72
... effect upon the meaning of an aggregate of alternatives , so that the Law of Commutativeness holds true of the disjunctive symbol . As we have admitted the possibility of joining as alter- natives terms which are not really different ...
... effect upon the meaning of an aggregate of alternatives , so that the Law of Commutativeness holds true of the disjunctive symbol . As we have admitted the possibility of joining as alter- natives terms which are not really different ...
Página 76
... effect . Inference by Disjunctive Propositions . Before we can make a free use of disjunctive proposi- tions in the processes of inference we must consider how disjunctive terms can be combined together or with simple terms . In the ...
... effect . Inference by Disjunctive Propositions . Before we can make a free use of disjunctive proposi- tions in the processes of inference we must consider how disjunctive terms can be combined together or with simple terms . In the ...
Página 91
... effect at all a thorough solution of a logical problem it is best to form , in the first place , a complete series of all the combinations of terms involved in it . If there be two terms A and B , the utmost variety of combinations in ...
... effect at all a thorough solution of a logical problem it is best to form , in the first place , a complete series of all the combinations of terms involved in it . If there be two terms A and B , the utmost variety of combinations in ...
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Términos y frases comunes
abC abc ABcd AbCd analogy apparent arithmetic assert body calculation cause character classification colour Contrapositive crystals deductive deductive reasoning density detect discovered discovery disjunctive proposition earth effect electricity equal equation equivalent error exactly exist experiment expression fact fcap force give gravity heat hypothesis identity induction inference infinite instance inverse inverse logical investigation J. S. Mill James Bernoulli knowledge Laws of Identity laws of nature Laws of Thought letters light Logical Alphabet logical conditions magnetic mammæ manner mathematical matter mean measure metal method mode motion negative Newton number of combinations objects observation obtain pendulum phenomena Philosophical planets possible premises principle probability problem Professor properties proposition qualities quantity reasoning refraction regards relation scientific simple specific gravity stars substances substitution supposed syllogism symbols temperature theory things tion triangle true truth velocity
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