Logic: InductionLongmans, Green, & Company, 1870 - Logic |
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Page 5
... particular diagram , and recording that measure as an observed fact , to be taken with other facts similarly observed , in mak- ing up a general rule ; as if we were , by means of an induction from the pyramids , to lay down a general ...
... particular diagram , and recording that measure as an observed fact , to be taken with other facts similarly observed , in mak- ing up a general rule ; as if we were , by means of an induction from the pyramids , to lay down a general ...
Page 16
... particular antecedent . 3. The Plurality of Causes is subject to uniformity in two respects : ( 1 ) the number of causes is fixed ; ( 2 ) the character of each is as definite as if it were the sole cause . The causes of death may be ...
... particular antecedent . 3. The Plurality of Causes is subject to uniformity in two respects : ( 1 ) the number of causes is fixed ; ( 2 ) the character of each is as definite as if it were the sole cause . The causes of death may be ...
Page 18
... particular case , mankind long erred in ignorantly suppressing a condition no less essential than food , namely , the oxygen of the atmosphere the aerial element of our food . * Language is adapted principally to this mode of viewing ...
... particular case , mankind long erred in ignorantly suppressing a condition no less essential than food , namely , the oxygen of the atmosphere the aerial element of our food . * Language is adapted principally to this mode of viewing ...
Page 33
... particular instance . Not many years ago the pheno- menon of volcanoes was regarded as wholly mysterious ; since the establishment of the Law of Conservation , all that part of the mystery connected with the source of the upheaving ...
... particular instance . Not many years ago the pheno- menon of volcanoes was regarded as wholly mysterious ; since the establishment of the Law of Conservation , all that part of the mystery connected with the source of the upheaving ...
Page 43
... particular antecedents or consequents are wanting : an operation described by Bacon as ' varying the circumstances . ' Observation is The varied circumstances , or groupings , are so many new facts attainable only by Observation , to ...
... particular antecedents or consequents are wanting : an operation described by Bacon as ' varying the circumstances . ' Observation is The varied circumstances , or groupings , are so many new facts attainable only by Observation , to ...
Contents
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Common terms and phrases
action amount analogy animal antecedent applied Aristotle arrangement atomic weight atoms attraction axioms bodies cause and effect character chemical force Chemistry circum circumstances classification co-existence coincidence collocation combination common compounds concomitance concurring connexion constitution Deductive Method defined definition degree derivative discovery disease distinct Electricity elements elimination ellipse empirical law energy equal example experience explanation expressed fact Fallacies farther G. C. Lewis genus give given gravity heat human hydrogen hypothesis induction inference instances Law of Causation Law of Conservation light logical Mathematics matter means ment metals Method of Agreement Method of Difference mind minor laws mode molar molecular Molecular Physics momentum motion moving power namely nature observation operation organs oxygen peculiar phenomena phenomenon physical plants plurality political predicate principle probability proof proper properties propositions proved putrefaction regards secondary laws species specific gravity stances statement structure substance supposed syllogism temperature things tion ultimate uniformity
Popular passages
Page 61 - If two or more instances in which the phenomenon occurs have only one circumstance in common, while two or more instances in which it does not occur have nothing in common save the absence of that circumstance, the circumstance in which alone the two sets of instances differ is the effect, or the cause, or an indispensable part of the cause of the phenomenon.
Page 170 - By what invention can we throw light upon these ideas, and render them altogether precise and determinate to our intellectual view! Produce the impressions or original sentiments, from which the ideas are copied.
Page 421 - ... closely related to each other. The archipelago, with its innumerable craters and bare streams of lava, appeared to be of recent origin ; and thus I fancied myself brought near to the very act of creation. I often asked myself how these many peculiar animals and plants had been produced : the simplest answer seemed to be that the inhabitants of the several islands had descended from each other, undergoing modification in the course of their descent ; and that all the inhabitants of the archipelago...
Page 410 - That we are not to deny the existence of a cause in favor of which we have a unanimous agreement of strong analogies, though it may not be apparent how such a cause can produce the effect...
Page 36 - ... terms is absent from consciousness. Hence it is impossible to think of something becoming nothing, for the same reason that it is impossible to think of nothing becoming something — the reason, namely, that nothing cannot become an object of consciousness. The annihilation of Matter is unthinkable...
Page 62 - 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.
Page 209 - Things which are equal to the same thing are equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be taken from equals, the remainders are equal. 4. If equals be added to unequals, the wholes are unequal. 5. If equals be taken from unequals, the remainders are unequal. 6. Things which are double of the same are equal to one another.
Page 173 - I shall begin with supposing, that the letters A, B, C, D, E, denote a series of objects ; that A possesses some one quality in common with B ; B a quality in common with C ; C a quality in common with D ; D a quality in common with E ; — v.'hile, at the same time, no quality can be found which belongs in common to any three objects in the series.
Page 82 - ... among them. Drunkenness is in general the consequence of a low degree of intelligence, as may be observed both among savages and in civilized countries. But, in return, a habit of drunkenness prevents the cultivation of the intellect, and strengthens the cause out of which it grows. As Plato remarks, education improves nature, and nature facilitates education. National character, again, is both effect and cause : it re-acts on the circumstances from which it arises. The national peculiarities...