Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Boolean expression
open-in-new
<p>In <a href="/facts/Computer_science/lN3pEyPz">computer science</a>, a Boolean expression (also known as logical expression) is an <a href="/facts/Expression_(programming)/eRlhoBeN">expression</a> used in <a href="/facts/Programming_language/cWTYbgWa">programming languages</a> that produces a <a href="/facts/Boolean_value/0GWYLDoC">Boolean value</a> when evaluated. A Boolean value is either true or false. A Boolean expression may be composed of a combination of the Boolean constants True/False or Yes/No, <a href="/facts/Boolean_data_type/0GWYLDoC">Boolean-typed</a> variables, Boolean-valued operators, and <a href="/facts/Boolean-valued_function/vlJBGgUl">Boolean-valued functions</a>. </p><p>Boolean expressions correspond to <a href="/facts/Propositional_formula/eEV8YrAI">propositional formulas</a> in logic and are associated to <a href="/facts/Boolean_circuit/TwhfJp0q">Boolean circuits</a>. </p>