In metaphysics, identity (from Latin: identitas, "sameness") is the relation each thing bears only to itself. The notion of identity gives rise to many philosophical problems, including the identity of indiscernibles (if x and y share all their properties, are they one and the same thing? ), and questions about change and personal identity over time (what has to be the case for a person x at one time and a person y at a later time to be one and the same person?
In metaphysics, identity (from Latin: identitas, "sameness") is the relation each thing bears only to itself. The notion of identity gives rise to many philosophical problems, including the identity of indiscernibles (if x and y share all their properties, are they one and the same thing? ), and questions about change and personal identity over time (what has to be the case for a person x at one time and a person y at a later time to be one and the same person?
Source: Wikipedia "Identity (philosophy)" · CC BY-SA 4.0
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