Objects and Identity: An Examination of the Relative Identity Thesis and Its Consequences

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Springer Science & Business Media, Apr 30, 1980 - Philosophy - 176 pages
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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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Contents

ABSOLUTE AND RELATIVE IDENTITY
1
DIACHRONIC IDENTITY AS RELATIVE IDENTITY
16
SYNCHRONIC IDENTITY AS RELATIVE IDENTITY
22
QUINE ON SYNCHRONIC IDENTITY
25
SORTAL CONCEPTS AND IDENTITY
26
ON THE NOTION OF A CRITERION OF IDENTITY
36
ABSOLUTE IDENTITY AND CRITERIA OF IDENTITY
52
RESTRICTED AND UNRESTRICTED QUANTIFICATION
62
EVENTS CONTINUANTS AND DIACHRON1C IDENTITY
82
COUNTERPART THEORY AND THE NECESSITY OF IDENTITY
107
ABSOLUTE AND RELATIVE IDENTITY CONCLUDED
115
CAN ONE THING BECOME TWO?
129
MEMORY AND QUASIMEMORY
154
LOCKE ON PERSONAL IDENTITY
164
Bibliography
172
Index
175

ABSOLUTE IDENTITY AND CRITERIA OF IDENTITY CONCLUDED
77

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Personal Identity
Raymond Martin,John Barnes
No preview available - 2002
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About the author (1980)

Harold Noonan is a well-known philosopher who has published numerous books and articles. His previous books include" Objects and Identity" and "Personal Identity,

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