The Principles of Science: A Treatise on Logic and Scientific Method, 1-2. kötetMacmillan, 1874 |
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52. oldal
... , being to thought what motion is to a river . The f ' Syllabus of a Proposed System of Logic , ' §§ 122 , 123 . very perception of an object involves its discrimination . from 52 THE PRINCIPLES OF SCIENCE . Negative Propositions.
... , being to thought what motion is to a river . The f ' Syllabus of a Proposed System of Logic , ' §§ 122 , 123 . very perception of an object involves its discrimination . from 52 THE PRINCIPLES OF SCIENCE . Negative Propositions.
67. oldal
... motion , Neptune has not retrograde motion . ( 2 ) ( 3 ) If we put A for Neptune , B for planet , and C for having retrograde motion , ' then by the corresponding negative term c , we denote ' not having retrograde motion . ' The ...
... motion , Neptune has not retrograde motion . ( 2 ) ( 3 ) If we put A for Neptune , B for planet , and C for having retrograde motion , ' then by the corresponding negative term c , we denote ' not having retrograde motion . ' The ...
152. oldal
... motion from west to east , except the satellites of Uranus and Neptune . Even some of the profoundest laws of matter are not quite universal ; all solids expand by heat except india - rubber , and possibly a few other substances ; all ...
... motion from west to east , except the satellites of Uranus and Neptune . Even some of the profoundest laws of matter are not quite universal ; all solids expand by heat except india - rubber , and possibly a few other substances ; all ...
254. oldal
... motion ; nor can we validly suppose that our task is concluded when we find that it came wandering to our solar system through the un- measured vastness of surrounding space . Every event must have a cause , and that cause again a cause ...
... motion ; nor can we validly suppose that our task is concluded when we find that it came wandering to our solar system through the un- measured vastness of surrounding space . Every event must have a cause , and that cause again a cause ...
257. oldal
A Treatise on Logic and Scientific Method William Stanley Jevons. under which a perpetual motion , that is , a perpetual source of self - created energy might exist . The larger part of the philosophic world has long held that in mental ...
A Treatise on Logic and Scientific Method William Stanley Jevons. under which a perpetual motion , that is , a perpetual source of self - created energy might exist . The larger part of the philosophic world has long held that in mental ...
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Más kiadások - Összes megtekintése
Gyakori szavak és kifejezések
ABCD Abecedarium amount analogy apparent approximate arise assert astronomers body calculation cause character circumstances classification colour combinations comets crystals deductive deductive reasoning degree density detect determined discovered discovery disjunctive proposition distinct earth effect electricity equal equivalent error exactly exist experiment expression fact force Francis Bacon gravity heat hypothesis identity induction inference instance inverse investigation J. S. Mill knowledge Law of Error Laws of Identity laws of nature Laws of Thought less light liquid logical logical conditions magnetic mammæ manner mathematical matter mean measure metal method mind mode motion negative Newton objects observation pendulum phenomena Philosophical physical planets possess possible premises principle properties proposition prove qualities quantity reasoning refraction regards relation scientific scientific method similar simple specific gravity stars substances substitution supposed syllogism symbols temperature things tion triangle true truth velocity vibrations
Népszerű szakaszok
106. oldal - 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.
360. oldal - Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external...
457. oldal - Veniet tempus quo ista quae nunc latent in lucem dies extrahat et longioris aevi diligentia. Ad inquisitionem tantorum aetas una non sufficit, ut tota caelo vacet ; quid quod tarn paucos annos inter studia ac vitia non aequa portione dividimus?
75. oldal - 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.
235. oldal - I have long held an opinion, almost amounting to conviction, in common I believe with many other lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin; or, in other words, are so directly related and mutually dependent, that they are convertible, as it were, one into another, and possess equivalents of power in their action.
469. oldal - Now among the most unquestionable rules of Scientific Method is that first law that whatever phenomenon is, is. We must ignore no existence whatever ; we may variously interpret or explain its meaning and origin, but if a phenomenon does exist it demands some kind of explanation.
222. oldal - The world little knows how many of the thoughts and theories which have passed through the mind of a scientific investigator have been crushed in silence and secrecy by his own severe criticism and adverse examination; that in the most successful instances not a tenth of the suggestions, the hopes, the wishes, the preliminary conclusions have been realized.
361. oldal - Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
241. oldal - 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 favourite 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 he adds industry, he may indeed hope to walk within the veil of the temple of nature.
145. oldal - That it is the glory of God to conceal a thing, but the glory of a king to search it out.