A boolean operator will determine a query by joining simple terms with AND, OR and NOT for the purpose of limiting or qualifying the search. Example in Google type in 'Search Term1' AND 'Search Term2' and the search engine will find pages that provide both terms in the web page. Other operators you can use is OR. Ensure that AND, OR, NOT are in capital letters.
A true or false value. Named for the branch of logic invented by George Boole that deals with statements using true, false, and, or, not, etc.
a logical system or algebra using set theory and operators such as "and", "or" and "not", the basis of binary computers and some solid modeling operations, described by and named after the mathematician George Boole