The Problem of LogicA. and C. Black, 1908 - 500 من الصفحات |
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الصفحة 112
... Antecedent to Consequent , the antecedent being represented by the ' if ' clause . We conclude that propositional elements are of three kinds : Terms : 1. Subject and Predicate in Categorical propositions . Clauses : : - { 2 ...
... Antecedent to Consequent , the antecedent being represented by the ' if ' clause . We conclude that propositional elements are of three kinds : Terms : 1. Subject and Predicate in Categorical propositions . Clauses : : - { 2 ...
الصفحة 137
... antecedent involve that of the conse- quent , but also the affirmation of the consequent should involve that of the antecedent . We conclude , then , that the disjunctive , in the service of the categorical , may profitably be left in ...
... antecedent involve that of the conse- quent , but also the affirmation of the consequent should involve that of the antecedent . We conclude , then , that the disjunctive , in the service of the categorical , may profitably be left in ...
الصفحة 138
... Antecedent , and the second the Consequent . The Disjunctive Proposition also , as we have seen , states a connexion between possibilities , but in that case the possibilities are regarded as alternative possibilities . The connexion ...
... Antecedent , and the second the Consequent . The Disjunctive Proposition also , as we have seen , states a connexion between possibilities , but in that case the possibilities are regarded as alternative possibilities . The connexion ...
الصفحة 141
... antecedent and consequent , we are verifying the categorical proposition ' Q is connected with P. ' Similarly , as we shall see , when we come to Induction , to verify a hypothesis is to verify not a hypothetical proposition , but its ...
... antecedent and consequent , we are verifying the categorical proposition ' Q is connected with P. ' Similarly , as we shall see , when we come to Induction , to verify a hypothesis is to verify not a hypothetical proposition , but its ...
الصفحة 142
... antecedent only in virtue of a further assumption - namely , the assumption that Socrates is a man , or is granted to be a man . The strictly logical forms of these propositions would be : and ' If all men are mortal , and Socrates is a ...
... antecedent only in virtue of a further assumption - namely , the assumption that Socrates is a man , or is granted to be a man . The strictly logical forms of these propositions would be : and ' If all men are mortal , and Socrates is a ...
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عبارات ومصطلحات مألوفة
abstract accepted affirmative Algol ambiguity antecedent application argument Aristotle assertion called Carveth Read categorical proposition causal cause Classification concept conclusion concrete connexion connotation connotation and denotation contradiction contradictory Contrapositive copula Deductive Deductive Inference defined definition differentia disjunctive proposition distinction division effect Enumerative Induction Epimenides essential exclusive expressed fact fallacy given Hence hypothesis ibid ideal Identity implied important indeterminate Inductive Inference instance interest is-not J. S. Mill judgment Laws of Thought limited logical form major premiss meaning Method Mill Mill's nature negative Novum Organum object observation particular plants point of view possible postulate precisely predicate principle purpose question rational animal reality reason reference rejected relation relevant Rule S's are P's S's are-not P's Science scientific sense singular Sorites species statement subaltern subject-term summum genus Syllogism term thinking tion triangle true truth undistributed universal valid vide word
مقاطع مشهورة
الصفحة 415 - If an instance in which the phenomenon under investigation occurs, and an instance in which it does not occur, have every circumstance in common save one, that one occurring only in the former; the circumstance in which alone the two instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon.
الصفحة 315 - I have steadily endeavoured to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as facts are shown to be opposed to it.
الصفحة 391 - I had, also, during many years followed a golden rule, namely, that whenever a published fact, a new observation or thought came across me, which was opposed to my general results, to make a memorandum of it without fail and at once; for I had found by experience that such facts and thoughts were far more apt to escape from the memory than favorable ones.
الصفحة 283 - The only proof capable of being given that an object is visible, is that people actually see it; the only proof that a sound is audible, is that people hear it: and so of the other sources of our experience.
الصفحة 456 - The uniformity in the succession of events, otherwise called the law of causation, must be received not as a law of the universe, but of that portion of it only which is within the range of our means of sure observation, with a reasonable degree of extension to adjacent cases.
الصفحة 417 - 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.
الصفحة 395 - If two or more instances of the phenomenon under investigation have only one circumstance in common, the circumstance in which alone all the instances agree is the cause (or effect) of the given phenomenon.
الصفحة 314 - I worked on true Baconian principles, and without any theory collected facts on a wholesale scale...
الصفحة 386 - The total energy of any material system is a quantity which can neither be increased nor diminished by any action between the parts of the system, though it may be transformed into any of the forms of which energy is susceptible.
الصفحة 314 - I happened to read for amusement ' Malthus on Population,' and being well prepared to appreciate the struggle for existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result of this would be the formation of new species. Here then I had at last got a theory by which to work...