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  4. Boolean Modifiers and Greek Letters

Boolean Modifiers and Greek Letters

  • Boolean Operator: AND

    The and operator returns any combination of the terms' plurals, synonyms, or alternate spellings. Example: The query flavor and aroma r...

  • Boolean Operator: NOT

    The not operator excludes any combination of the terms' plurals, synonyms, or alternate spellings. Example: The query flavor not dye re...

  • Boolean Operator: OR

    Most often used with within parentheses in Boolean expressions, the or operator is technically interpreted as at least one term/phrase/...

  • Boolean Modifier: " "

    Enclosing terms within quotation marks creates a bound phrase, which means that: Term(s) must appear side-by-side as they do within th...

  • Boolean Modifier: ( )

    Enclosing terms and a Boolean operator within parentheses creates a Boolean expression that functions as a single unit/condition that c...

  • Greek Letters and Equivalents Used in Searching

    When entering your search query, the following Greek letters and their equivalents will match and return results. Notes: Entering an e...