From HomoExcelsior

1. Bill Powell 2. The set of behavioral or personal characteristics by which an individual is recognizable as a member of a group. 3. The quality or condition of being the same as something else. 4. The distinct personality of an individual regarded as a persisting entity; individuality. 5. An equation that is satisfied by any number that replaces the letter for which the equation is defined. 6. Identity element.

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