Boolean logic

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Boolean logic

 [boo´le-an]
an algebra that permits operations on sets of elements; it is used in online literature searches. The principal Boolean operators are AND (intersection), OR (union), and NOT (difference).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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