Articoli correlati a Logic, Deductive and Inductive
Sinossi
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 edition. Excerpt: ... CHAPTER I. On tfte Nature of Inductive Inference. 'WO bodies of unequal weight (say a guinea and a feather) are placed at the same height under the exhausted receiver of an air-pump. When released, they are observed to reach the bottom of the vessel at the same instant of time, or, in other words, to fall in equal times. From this fact, it is inferred that a repetition of the experiment either with these two bodies or with any other bodies would be attended with the same result, and that, if it were not for the resistance of the atmosphere and other impeding circumstances, all bodies, whatever their weight, would fall through equal vertical spaces in equal times. Now, that these two bodies in this particular experiment fall to the bottom of the receiver in equal times is merely a fact of observation, but that they would do so if we repeated the experiment, or that the next two bodies we selected, or any bodies, or all bodies, would do so, is an inference, and is an inference of that particular character which is called an Inductive Inference or an Induction *. 1 The student must throughout bear in mind the ambiguous use of the words Induction, Inference, &c, as signifying both the result and the process by which the result is arrived at. See Deductive Logic, Preface, and Part III. ch. i. note I. What assumptions underlie this inference, and on what grounds does it rest? My object in placing the two bodies under the receiver was obviously to answer a question which I had previously addressed to myself: viz. whether, when subject to the action of gravity2 only, they would fall in equal or in unequal times. By exhausting the air in the receiver, I am able to isolate the phenomenon, and thus, by removing all circumstances affecting the...
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- EditoreTheClassics.us
- Data di pubblicazione2013
- ISBN 10 1230266623
- ISBN 13 9781230266626
- RilegaturaCopertina flessibile
- LinguaInglese
- Numero di pagine150
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