Identity (mathematics): Difference between revisions

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imported>Richard Pinch
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Revision as of 14:53, 7 November 2008

In mathematics 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.