Identity (mathematics): Difference between revisions
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In [[mathematics]] may refer to: | In [[mathematics]], '''identity''' may refer to: | ||
* [[Identity element]], or neutral element, with respect to a binary operation, an element which leaves the other operand unchanged. | * [[Identity element]], or neutral element, with respect to a binary operation, an element which leaves the other operand unchanged. | ||
* The identity [[relation (mathematics)]] is the relation expressing [[equality]]. | * The identity [[relation (mathematics)]] is the relation expressing [[equality]]. | ||
* Any equality between variables which is universally true, as opposed to an equation to be solved. | * Any equality between variables which is universally true, as opposed to an equation to be solved. | ||
Revision as of 13:53, 7 November 2008
In mathematics, identity may refer to:
- Identity element, or neutral element, with respect to a binary operation, an element which leaves the other operand unchanged.
- The identity relation (mathematics) is the relation expressing equality.
- Any equality between variables which is universally true, as opposed to an equation to be solved.