The Principles of Science: A Treatise on Logic and Scientific MethodMacmillan, 1887 - 786 sider |
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Side viii
... 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 foreshadowed in the combinational view of Logic , which arises ...
... 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 foreshadowed in the combinational view of Logic , which arises ...
Side xix
... important respect better than the old rules of the syllogism . Leibnitz ' logical tracts are , in fact , little more than brief memoranda of investigations which seem never to have been followed out . They remain as evidence of his ...
... important respect better than the old rules of the syllogism . Leibnitz ' logical tracts are , in fact , little more than brief memoranda of investigations which seem never to have been followed out . They remain as evidence of his ...
Side xxiv
... important work by Mr. George Lewes has appeared , namely , his Problems of Life and Mind , which to a great extent treats of scientific method , and formulates the rules of philo- sophising . I should have liked to discuss the bearing ...
... important work by Mr. George Lewes has appeared , namely , his Problems of Life and Mind , which to a great extent treats of scientific method , and formulates the rules of philo- sophising . I should have liked to discuss the bearing ...
Side 7
... important . It is true that these laws are verified in the observation of the exterior world ; and it would seem that they might have been gathered and proved by general- isation , had they not already been in our possession . But on ...
... important . It is true that these laws are verified in the observation of the exterior world ; and it would seem that they might have been gathered and proved by general- isation , had they not already been in our possession . But on ...
Side 16
... important group of plants . - - = We have great need in logic of a distinct sign for the copula , because the little verb is ( or are ) , hitherto used both in logic and ordinary discourse , is thoroughly am- biguous . It sometimes ...
... important group of plants . - - = We have great need in logic of a distinct sign for the copula , because the little verb is ( or are ) , hitherto used both in logic and ordinary discourse , is thoroughly am- biguous . It sometimes ...
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Andre utgaver - Vis alle
The Principles of Science: A Treatise on Logic and Scientific Method William Stanley Jevons Uten tilgangsbegrensning - 1883 |
The Principles of Science: A Treatise on Logic and Scientific Method William Stanley Jevons Uten tilgangsbegrensning - 1877 |
The Principles of Science: A Treatise on Logic and Scientific Method William Stanley Jevons Uten tilgangsbegrensning - 1877 |
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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.
Side 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.
Side 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.
Side 304 - Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external...
Side 1 - THE SEVEN KINGS OF ROME. An Easy Narrative, abridged from the First Book of Livy by the omission of Difficult Passages; being a First Latin Reading Book, with Grammatical Notes and Vocabulary.
Side 7 - MEIKLEJOHN, MA Fcap. 8vo. COMPRISING : THE NURSERY BOOK, containing all the Two-Letter Words in the Language, id. (Also in Large Type on Sheets for School Walls.
Side 4 - JOHNSON'S LIVES OF THE POETS. The Six Chief Lives (Milton, Dryden, Swift, A'ddison, Pope, Gray), with Macaulay's "Life of Johnson.
Side 37 - LETHBRIDGE— A SHORT MANUAL OF THE HISTORY OF INDIA. With an Account of INDIA AS IT is. The Soil, Climate, and Productions ; the People^ their Races, Religions, Public Works, and Industries'; the Civil Services, and System of Administration. By ROPER...
Side 1 - THE NEW PHRYNICHUS ; being a Revised Text of the Ecloga of the Grammarian Phrynichus. With Introduction and Commentary. 8vo.
Side 36 - ANALYSIS OF ENGLISH HISTORY, based on Green's "Short History of the English People.