# algebraic sum

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## algebraic sum

[¦al·jə¦brā·ik ′səm] (mathematics)

The result of the addition of two or more quantities, with the addition of a negative quantity equivalent to subtraction of the corresponding positive quantity.

For two fuzzy sets

*A*and*B*, with membership functions*m*and_{A}*m*, that fuzzy set whose membership function_{B}*m*satisfies the equation_{A + B}*m*(_{A + B}*x*) =*m*(_{A}*x*) +*m*(_{B}*x*) - [*m*(_{A}*x*) ·*m*(_{B}*x*)] for every element*x*.McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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