The Principles of Science: A Treatise on Logic and Scientific MethodMacmillan, 1887 - 786 páginas |
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Página viii
... called Fundamental Laws of Thought , and of the all - important Principle of Substi- tution , of which , as I think , all reasoning is a develop- ment . The whole procedure of inductive inquiry , in its most complex cases , is ...
... called Fundamental Laws of Thought , and of the all - important Principle of Substi- tution , of which , as I think , all reasoning is a develop- ment . The whole procedure of inductive inquiry , in its most complex cases , is ...
Página xi
... called the Reign of Law , and the necessity and uniformity of natural forces has been not uncommonly interpreted as involving the non - existence of an intelligent and benevolent Power , capable of inter- fering with the course of ...
... called the Reign of Law , and the necessity and uniformity of natural forces has been not uncommonly interpreted as involving the non - existence of an intelligent and benevolent Power , capable of inter- fering with the course of ...
Página xv
... called by him the Demonstrator . It consists of a square piece of bay - wood with a square depression in the centre , across which two slides can be pushed , one being a piece of red glass , and the other consisting of wood coloured ...
... called by him the Demonstrator . It consists of a square piece of bay - wood with a square depression in the centre , across which two slides can be pushed , one being a piece of red glass , and the other consisting of wood coloured ...
Página xviii
... called " Fundamenta Calculi Ratiocinatoris , he says : " Inter ea quorum unum alteri substitui potest , salvis calculi legibus , dicetur esse æquipollentiam . " There is evidence , also , that he had arrived at the quantification of the ...
... called " Fundamenta Calculi Ratiocinatoris , he says : " Inter ea quorum unum alteri substitui potest , salvis calculi legibus , dicetur esse æquipollentiam . " There is evidence , also , that he had arrived at the quantification of the ...
Página xx
... called Euvres Philo- sophiques de feu Mr Leibnitz ; but this work had not come to my notice , nor does the tract in question seem to contain any explicit statement of the principle of substitution . It is , I presume , the comparatively ...
... called Euvres Philo- sophiques de feu Mr Leibnitz ; but this work had not come to my notice , nor does the tract in question seem to contain any explicit statement of the principle of substitution . It is , I presume , the comparatively ...
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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
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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