The Principles of Science: A Treatise on Logic and Scientific MethodMacmillan, 1887 - 786 páginas |
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Página 60
... ABCD . ( 4 ) The full interpretation is that Iron is iron , metal , good conductor of electricity , useful for telegraphic purposes , which ABC . is abridged in common language by the ellipsis of the 60 [ СПАР . THE PRINCIPLES OF ...
... ABCD . ( 4 ) The full interpretation is that Iron is iron , metal , good conductor of electricity , useful for telegraphic purposes , which ABC . is abridged in common language by the ellipsis of the 60 [ СПАР . THE PRINCIPLES OF ...
Página 62
... ABCD .. JK . But Dr. Thomson is mistaken in supposing that we can obtain in this manner a definition of copper . Strictly speaking , the above proposition is only a description of copper , and all the ordinary descriptions of substances ...
... ABCD .. JK . But Dr. Thomson is mistaken in supposing that we can obtain in this manner a definition of copper . Strictly speaking , the above proposition is only a description of copper , and all the ordinary descriptions of substances ...
Página 75
... A B C D ab = cd , each member of the latter being the negative of a member of the former proposition . As an instance of a complex disjunctive proposition I may give Senior's definition of wealth , which , briefly stated , amounts to ...
... A B C D ab = cd , each member of the latter being the negative of a member of the former proposition . As an instance of a complex disjunctive proposition I may give Senior's definition of wealth , which , briefly stated , amounts to ...
Página 86
... ABcd the full meaning of which is that " some nebulæ do not give continuous spectra and are not heated solids . " We might similarly apply the contrapositive in many other instances . Take the argument , " All fixed stars are self ...
... ABcd the full meaning of which is that " some nebulæ do not give continuous spectra and are not heated solids . " We might similarly apply the contrapositive in many other instances . Take the argument , " All fixed stars are self ...
Página 94
... Abcd E A b c d e a BCDE a BC De a BC d E a BC de a Be DE a B De a Bed E a B c d e ab CDE a b C De a b Cd E ab C de ... AbcD E F Abc DEƒ Abc De F Abc Def Abcd EP A b c d E Abcde F A b c d e f a BCDEF a B C D E f a BC De F a BC Def a BCdEF ...
... Abcd E A b c d e a BCDE a BC De a BC d E a BC de a Be DE a B De a Bed E a B c d e ab CDE a b C De a b Cd E ab C de ... AbcD E F Abc DEƒ Abc De F Abc Def Abcd EP A b c d E Abcde F A b c d e f a BCDEF a B C D E f a BC De F a BC Def a BCdEF ...
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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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