Logic: InductionLongmans, Green, & Company, 1870 - Logic |
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Page vii
... supposed to be secondary , but not yet resolved , 6. III . Laws of Co - existence or of Succession between effects of the same cause , 3. A secondary law once resolved is called a DERIVATIVE LAW , 4. Empirical Laws are , I. combinations ...
... supposed to be secondary , but not yet resolved , 6. III . Laws of Co - existence or of Succession between effects of the same cause , 3. A secondary law once resolved is called a DERIVATIVE LAW , 4. Empirical Laws are , I. combinations ...
Page 8
... supposed Unity of Nature , we now recognize a plurality of distinct kinds of phenomena , each kind having its own separate principles or laws . Thus , the facts and principles of Number are studied apart from the facts and principles of ...
... supposed Unity of Nature , we now recognize a plurality of distinct kinds of phenomena , each kind having its own separate principles or laws . Thus , the facts and principles of Number are studied apart from the facts and principles of ...
Page 19
... supposed to be fully present to the mind of the hearer . The growth of plants is a complicated causation . There must concur , the properties of the germ , the contact with the soil , air , water , saline bodies in the soil , heat ...
... supposed to be fully present to the mind of the hearer . The growth of plants is a complicated causation . There must concur , the properties of the germ , the contact with the soil , air , water , saline bodies in the soil , heat ...
Page 41
... supposed represents the inductive search in its extreme speciality , and as it appears in the commoner practical questions . A more general enquiry is exemplified in determining the effects of given agents , as heat , moisture ...
... supposed represents the inductive search in its extreme speciality , and as it appears in the commoner practical questions . A more general enquiry is exemplified in determining the effects of given agents , as heat , moisture ...
Page 44
... supposed cause ; if these tally with the effect in question , we have made out our point . The problem of Causation may thus be presented in both aspects - given a cause to find the effect , given an effect to find the cause— -but the ...
... supposed cause ; if these tally with the effect in question , we have made out our point . The problem of Causation may thus be presented in both aspects - given a cause to find the effect , given an effect to find the cause— -but the ...
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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...