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Identity is the concept that refers to this aspect of existence; the aspect of existing as something in particular, with specific characteristics. An entity without an identity cannot exist because it would be nothing. To exist is to exist as something, and that means to exist with a particular identity.<ref>[http://www.importanceofphilosophy.com/Metaphysics_Identity.html A is A: Aristotle's Law of Identity]</ref>}}

Identity is the concept that refers to this aspect of existence; the aspect of existing as something in particular, with specific characteristics. An entity without an identity cannot exist because it would be nothing. To exist is to exist as something, and that means to exist with a particular identity.<ref>[http://www.importanceofphilosophy.com/Metaphysics_Identity.html A is A: Aristotle's Law of Identity]</ref>}}