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).
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If one does a search using the Boolean search strategy "multicultural AND spirituality," the earliest relevant article found was published in 1992 (Pate & Bondi).
com/) include full Boolean searching capability (and, or, and not) with nested Boolean search capability.
Many familiar fee-based databases provide value-added features, such as indexed fields, subject descriptors, and Boolean search syntax that help pinpoint an industry overview article.
Through a development alliance with Dallas-based Pure Discovery, LexisNexis has become the first provider of legal information services to integrate the power of semantic search technology with familiar Boolean search technology, giving the user greater control over the patent research process via a simple, streamlined user interface that matches their typical daily workflow.
Access features include Boolean search, name and subject indexes, and a powerful attribute search capability.
New Boolean Search Capabilities - Gives clients the ability to perform searches using conjunctions such as and, or and not.