Objects and Identity: An Examination of the Relative Identity Thesis and Its Consequences: 6 (Melbourne International Philosophy Series) - Hardcover

Noonan, Harold W.

 
9789024722921: Objects and Identity: An Examination of the Relative Identity Thesis and Its Consequences: 6 (Melbourne International Philosophy Series)

Inhaltsangabe

Identity has for long been an important concept in philosophy and logic. Plato in his Sophist puts same among those fonns which "run through" all others. The scholastics inherited the idea (and the tenninology), classifying same as one of the "transcendentals", i.e. as running through all the categories. The work of Locke and l.eibniz made the concept a problematic one. But it is rather recently, i.e. since the importance of Frege has been generally recognized, that there has been a keen interest in the notion, fonnulated by him, of a criterion of identity. This, at first sight harmless as well as useful, has proved to be like a charge of dynamite. The seed had indeed been sown long ago, by Euclid. In Book V of his Elements he first gives a useless defmition of a ratio: "A ratio is a sort of relation between two magnitudes in respect of muchness". But then, in definition 5 he answers, not the question "What is a ratio?" but rather "What is it for magnitudes to be in the same ratio?" and this is the definition that does the work.

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Reseña del editor

Identity has for long been an important concept in philosophy and logic. Plato in his Sophist puts same among those fonns which "run through" all others. The scholastics inherited the idea (and the tenninology), classifying same as one of the "transcendentals", i.e. as running through all the categories. The work of Locke and l.eibniz made the concept a problematic one. But it is rather recently, i.e. since the importance of Frege has been generally recognized, that there has been a keen interest in the notion, fonnulated by him, of a criterion of identity. This, at first sight harmless as well as useful, has proved to be like a charge of dynamite. The seed had indeed been sown long ago, by Euclid. In Book V of his Elements he first gives a useless defmition of a ratio: "A ratio is a sort of relation between two magnitudes in respect of muchness". But then, in definition 5 he answers, not the question "What is a ratio?" but rather ''What is it for magnitudes to be in the same ratio?" and this is the definition that does the work.

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Weitere beliebte Ausgaben desselben Titels

9789048182596: Objects and Identity: An Examination of the Relative Identity Thesis and Its Consequences (Melbourne International Philosophy Series, Band 6)

Vorgestellte Ausgabe

ISBN 10:  904818259X ISBN 13:  9789048182596
Verlag: Springer, 2010
Softcover