sum of products

<mathematics, logic>

1. Any mathematical expression in which an addition operator is applied to two or more subexpressions each of which is an application of a multiplication operator. The most common case would be scalar addition and multiplication, e.g. 

 ab + cd
but the term is used for other kinds of operators with similar properties, such as AND and OR in Boolean algebra, e.g. 

 (a AND b) OR (c AND d)

<types>

2. algebraic data type.

Last updated: 2008-02-04

Nearby terms:

SUMMER ♦ SUMMER SESSION ♦ sum of products ♦ sum of products type ♦ Sun

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