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  1. Research Guides: Boolean Operators: A Cheat Sheet: Home

    Nov 15, 2024 · Boolean logic (named after mathematician George Boole) is a system of logic to designed to yield optimal search results. The Boolean operators, AND, OR, and NOT, help …

  2. Boolean Operators | Quick Guide, Examples & Tips - Scribbr

    May 2, 2022 · Boolean operators are words and symbols, such as AND or NOT, that let you expand or narrow your search parameters when using a database or search engine. When …

  3. A Quick Guide on Boolean Operators with Examples

    Oct 16, 2023 · Learn how to use Boolean operators for precise searches and effective source integration. Explore AND, OR, NOT operators with examples for enhanced research skills.

  4. Searching with Boolean Operators - EBSCO Information Services

    For example, heart AND lung AND bypass AND artery will provide a more focused search than heart AND lung OR bypass OR artery. To make even better use of Boolean operators, you …

  5. Boolean Operators | Examples, Definition & List - QuillBot

    Jun 5, 2024 · Boolean operators are the words and symbols used to narrow or expand a search on a database. Examples of Boolean operators include “AND,” “OR,” and “NOT.”

  6. Boolean Operators (AND, OR, NOT) - Search Strategies and …

    Sep 10, 2025 · Click on the below tabs to learn more and see examples of Boolean Operators. AND is the most common of the Boolean Operators. AND will narrow down your search so you …

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  7. Boolean Operators - Research Process - LibGuides at Prince …

    Oct 31, 2025 · Use BOOLEAN OPERATORS to relate the terms in specific ways that will affect the results of a search. Boolean operators are terms that create relationships between …

  8. Boolean Operators and Modifiers - Baker College

    Jul 25, 2025 · Boolean operators are used in search engines, databases, and other computer systems to refine and focus search queries. They work by combining or excluding certain …

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  9. LibGuides: Research Skills Tutorial: Boolean Operators

    Oct 6, 2025 · Boolean operators tell databases exactly how you want your search terms combined for the optimal results. There are only five Boolean operators and all library databases …

  10. Boolean operators - General Studies - Library Guides at Purdue ...

    Aug 29, 2025 · Boolean Operators (and, or, not) Boolean Operators define the relationships between words or groups of words. AND Narrows your search and retrieves records …