A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation, Volumen2John W. Parker, West Strand, 1843 - 624 páginas |
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Términos y frases comunes
according affirm analogy antecedent probability applied Archbishop Whately argument ascer ascertained assertion bability body casual chance circumstances coexistence coincidence collocation colour common complete induction Comte conception conclusion connexion connotation consequences considered constant cause counteracting causes deduction degree depends derivative law direction diurnal positions doctrine doctrine of chances earth effect ellipse empirical law equal error evidence example exist experience explain fact fallacy force ground guess happen hypothesis induction inference inquiry kind known laws laws of causation laws of nature limits luminiferous ether manner means merely Method Method of Agreement mind mode motion objects observation occur original particular pheno phenomena phenomenon philosophers planet premisses principle produced proportion proposition proved quantity question ratiocination reason recognised resem resemblance resolved respecting result scientific species substance succession supposed supposition term theory things tion true truth ultimate laws ultimate properties uniformities universal universal proposition vera causa Whewell words
Pasajes populares
Página 110 - I am convinced that any one accustomed to abstraction and analysis, who will fairly exert his faculties for the purpose, will' when his imagination has once learnt to entertain the notion, find no difficulty in conceiving that in some one for instance of the many firmaments into which sidereal astronomy now divides the universe, events may succeed one another at random, without any fixed law; nor can anything in our experience, or in our mental nature, constitute a sufficient, or indeed any, reason...
Página 161 - ... that the squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun.
Página 359 - That gravity should be innate, inherent and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man who has in philosophical matters a competent faculty of thinking can ever fall into it.
Página 248 - E; — while at the same time no quality can be found which belongs in common to any three objects in the series. Is it not conceivable that the affinity between A and B may produce a transference of the name of the first to the second; and that, in consequence of the other affinities which connect the remaining objects together, the same name may pass in succession from B to C; from C to D; and from D to E...
Página 571 - These it takes, to a certain extent, into its calculations, because these do not merely, like other desires, occasionally conflict with the pursuit of wealth, but accompany it always as a drag, or impediment, and are therefore inseparably mixed up in the cohsideration of it. Political Economy considers mankind as occupied solely in acquiring and consuming wealth...
Página 302 - The ends of scientific classification are best answered, when the objects are formed into groups respecting which a greater number of general propositions can be made, and those propositions more important, than could be made respecting any other groups into which the same things could be distributed.
Página 522 - The laws of the formation of character are, in short, derivative laws, resulting from the general laws of mind, and are to be obtained by deducing them from those general laws by supposing any given set of circumstances and then considering what, according to the laws of mind, will be the influence of those circumstances on the formation of character.
Página 587 - ... the proximate cause of every state of society is the state of society immediately preceding it. The fundamental problem, therefore, of the social science, is to find the laws according to which any state of society produces the state which succeeds it and takes its place.
Página 308 - Type is an example of any class, for instance, a species of a genus, which is considered as eminently possessing the characters of the class. All the species which have a greater affinity with this Type-species than with any others, form the genus, and are ranged about it, deviating from it in various directions and diiferent degrees.
Página 496 - In other words, the science of Human Nature may be said to exist in proportion as the approximate truths, which compose a practical knowledge of mankind, can be exhibited as corollaries from the universal laws of human nature on which they rest...