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Longmans, Green, Reader, and Dyer, 1870 - Logic
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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 - Complex ideas may, perhaps, be well known by definition, which is nothing but an enumeration of those parts or simple ideas that compose them. But when we have pushed up definitions to the most simple ideas, and find still some ambiguity and obscurity ; what resource are we then possessed of? 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 188 - Excudent alii spirantia mollius aera, credo equidem, vivos ducent de marmore vultus, orabunt causas melius, caelique meatus describent radio et surgentia sidera dicent: 850 tu regere imperio populos, Romane, memento; hae tibi erunt artes; pacisque imponere morem, parcere subiectis et debellare superbos.
Page 142 - most valuable of instruments in the maturity of jurisprudence, is the most dangerous of snares in its infancy. Prohibitions and ordinances, originally confined, for good reasons, to a single description of acts, are made to apply to all acts of the same class, because a man menaced with the anger of the gods for doing one thing, feels a natural terror in doing any other thing which is remotely like it.
Page 143 - ... description of acts, are made to apply to all acts of the same class, because a man menaced with the anger of the gods for doing one thing, feels a natural terror in doing any other thing which is remotely like it. After one kind of food has been interdicted for sanitary reasons, the prohibition is extended to all food resembling it, though the resemblance occasionally depends on analogies the most fanciful. So, again, a wise provision for insuring general cleanliness dictates in time long routines...
Page 421 - 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 were descended from those of the...
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 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...

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