The Principles of Science: A Treatise on Logic and Scientific MethodMacmillan and Company, 1887 - 786 páginas |
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Página xi
... prove to be an unverified hypo- thesis , the Uniformity of Nature an ambiguous expression , the certainty of our scientific inferences to a great extent a delusion . The value of science is of course very high , while the conclusions ...
... prove to be an unverified hypo- thesis , the Uniformity of Nature an ambiguous expression , the certainty of our scientific inferences to a great extent a delusion . The value of science is of course very high , while the conclusions ...
Página 7
... proved by general- isation , had they not already been in our possession . But on the other hand , it may well be urged that we cannot prove these laws by any process of reasoning or observation , because the laws themselves are ...
... proved by general- isation , had they not already been in our possession . But on the other hand , it may well be urged that we cannot prove these laws by any process of reasoning or observation , because the laws themselves are ...
Página 9
... prove the exact similarity of two ) portions of commodity , we need not bring one portion beside the other . It is sufficient that we take a sample which exactly represents the texture , appearance , and general nature of one portion ...
... prove the exact similarity of two ) portions of commodity , we need not bring one portion beside the other . It is sufficient that we take a sample which exactly represents the texture , appearance , and general nature of one portion ...
Página 18
... prove that " Because a horse is an animal , the head of a horse is the head of an animal . " I conceive that this amounts merely to replacing in the complete notion head of a horse , the term " horse , " by its equivalent some animal or ...
... prove that " Because a horse is an animal , the head of a horse is the head of an animal . " I conceive that this amounts merely to replacing in the complete notion head of a horse , the term " horse , " by its equivalent some animal or ...
Página 22
... prove this conclusion by any simple logical process . We re- quire at any rate to assume that the son of a brother is a nephew . A simple logical relation is that which exists between properties and circumstances of the same object or ...
... prove this conclusion by any simple logical process . We re- quire at any rate to assume that the son of a brother is a nephew . A simple logical relation is that which exists between properties and circumstances of the same object or ...
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Otras ediciones - Ver todas
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
Pasajes populares
Página 454 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Página 589 - The philosopher should be a man willing to listen to every suggestion, but determined to judge for himself. He should not be biased by appearances; have no favorite hypothesis ; be of no school ; and in doctrine have no master. He should not be a respecter of persons, but of things. Truth should be his primary object. If to these qualities be added industry, he may indeed hope to walk within the veil of the temple of nature.
Página 480 - Whatever phenomenon varies in any manner, whenever another phenomenon varies in some particular manner, is either a cause or an effect of that phenomenon, or is connected with it through some fact of causation.
Página 304 - Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external...
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