Logic, Deductive and Inductive

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Clarendon Press, 1895 - 365 sider

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Side 239 - Parallelograms upon equal bases, and between the same parallels, are equal to one another.
Side 16 - ... be blanched by the sun, whereby the yellowness is destroyed, and whiteness made to exist in its room. In which, and the like cases, the power we consider is in reference to the change of perceivable ideas. For we cannot observe any alteration to be made in, or operation upon anything, but by the observable change of its sensible ideas; nor conceive any alteration to be made, but by conceiving a change of some of its ideas. 2. Power active and passive. Power thus considered is twofold, viz. as...
Side 144 - to allow every man an unbounded freedom of speech must always be, on the whole, advantageous to the State; for it is highly conducive to the interests of the Community, that each individual should enjoy a liberty perfectly unlimited, of expressing his sentiments.
Side 15 - THE Mind, being every day informed, by the Senses, of the alteration of those simple Ideas, it observes in things without; and taking notice how one comes to an end, and ceases to be, and another begins to exist, which was not before; reflecting also on what passes within it self, and observing a constant change of its Ideas, sometimes by the impression of outward Objects on the Senses...
Side 169 - Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents, and the residue of the phenomenon is the effect of the remaining antecedents.
Side 212 - The business of Inductive Logic,' says Mr. Mill, '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. This is what the Four Methods profess to be, and what I believe they are universally considered to be by experimental philosophers, who had practised all of them long before any one sought to reduce the practice to theory.
Side 83 - Rose family has alternate stipulate leaves, wants the albumen, has the ovules not erect, has the stigmata simple, and besides these features, which distinguish it from the exceptions or varieties of its class, it has the features which make it prominent in its class. It is one of those which possess clearly several leading attributes ; and thus, though we cannot say of any one genus that it must be the type of the family, or of any one species that it must be the type of the genus, we are still not...
Side 281 - ... importance to those who desire to originate just and comprehensive views concerning the structure of our globe. Now Werner had not travelled to distant countries ; he had merely explored a small portion of Germany, and conceived, and persuaded others to believe, that the whole surface of our planet, and all the mountain chains in the world, were made after the model of his own province.
Side 335 - But commonwealths are not physical but moral essences. They are, artificial combinations ; and in their proximate efficient cause, the arbitrary productions of the human mind. We are not yet acquainted with the laws which necessarily influence the stability of that kind of work made by that kind of agent.
Side 348 - SIGNATURES," as it has been called, which is no less than a belief that every natural substance which possesses any medicinal virtues, indicates, by an obvious and wellmarked external 'character, the disease for which it is a remedy, or the object for which it should be employed.

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