A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific InvestigationLongmans, Green, and Company, 1884 - 622 pages |
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Common terms and phrases
affirmed animal antecedent applied Archbishop Whately argument ascer ascertained assertion attri attributes axioms believe body called cause character circum circumstances co-existence colour common conceive conception conclusion connotation consequent considered deductive definition degree denote distinction doctrine duction effect empirical laws ence equal Ethology evidence example exist experience expression fact fallacy feelings follow force generalisation genus ground human idea individual induction inference inquiry instance kind known language laws of causation laws of nature Logic logicians major premise meaning ment mental merely Method of Agreement Method of Difference mind mode motion objects observation particular peculiar persons pheno phenomena phenomenon philosophers position possess predicate premises principle produced properties proposition proved ratiocination reason resemblance result scientific sensations sense Sir William Hamilton Socrates species stances substances sufficient supposed supposition syllogism term theory things tion true truth uniformity universal universal proposition Whewell word
Popular passages
Page 493 - 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...
Page 213 - The Law of Causation, the recognition of which is the main pillar of inductive science, is but the familiar truth, that invariability of succession is found by observation to obtain between every fact in nature and some other fact which has preceded it...
Page 573 - Human beings in society have no properties but those which are derived from, and may be resolved into, the laws of the nature of individual man.
Page 206 - Why is a single instance, in some cases, sufficient for a complete induction ; while in others, myriads of concurring instances, without a single exception known or presumed, go such a very little way towards establishing a universal proposition ? Whoever can answer this question, knows more of the philosophy of logic than the wisest of the ancients, and has solved the problem of induction.
Page 283 - The business of Inductive Logic is to provide rules and models (such as the Syllogism and its rules are for ratiocination) to which if inductive arguments conform, those arguments are conclusive, and not otherwise.
Page 114 - Nevertheless, neither the dictum de omni et nutto — " that whatever can be affirmed (or denied) of a class may be affirmed (or denied) of everything included in the class;
Page 256 - ... 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.
Page 86 - The simplest and most correct notion of a Definition is, a proposition declaratory of the meaning of a word...
Page 612 - The sun illuminates the hills, while it is still below the horizon ; and truth is discovered by the highest minds a little before it becomes manifest to the multitude. This is the extent of their superiority. They are the first to catch and reflect a light, which, without their assistance, must, in a short time, be visible to those who lie far beneath them.
Page 298 - The vulgar notion, that the safe methods on political subjects are those of Baconian induction - that the true guide is not general reasoning, but specific experience - will one day be quoted as among the most unequivocal marks of a low state of the speculative faculties in any age in which it is accredited.