Questions and Answers
What is the relation that philosophical identity concerns?
The relation of a thing to itself
What are some philosophical problems that arise from the concept of identity?
Identity of indiscernibles, questions about change and personal identity over time
What is the difference between qualitative identity and numerical identity?
Qualitative identity concerns the qualities of a thing, while numerical identity concerns the thing itself
What is the distinction between the philosophical concept of identity and the notion of identity in psychology and the social sciences?
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What is the sociological notion of identity?
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What is the law of identity and where does it originate from?
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What is the modern formulation of identity and who proposed it?
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What do kind-terms or sortals provide in regards to identity?
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What is the ecological perspective of identity?
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Study Notes
Philosophical identity is the relation each thing bears only to itself, which gives rise to many philosophical problems, including the identity of indiscernibles and questions about change and personal identity over time. Qualitative identity and numerical identity must be distinguished. The philosophical concept of identity is distinct from the better-known notion of identity in use in psychology and the social sciences. The sociological notion of identity concerns a person's self-conception, social presentation, and the aspects of a person that make them unique. Identity has been conceptualized considering humans' position within the ecological web of life. The law of identity originates from classical antiquity. The modern formulation of identity is that of Gottfried Leibniz, who held that x is the same as y if and only if every predicate true of x is true of y as well. Some philosophers have denied that there is such a relation as identity. Kind-terms, or sortals give a criterion of identity and non-identity among items of their kind.