## 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 + cdbut 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*>

Last updated: 2008-02-04

## sum of products type

algebraic data type### Nearby terms:

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

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