"Boolean logic"^^ . . . . "06165000-n"^^ . . "0"^^ . "0"^^ . "a system of symbolic logic devised by George Boole; used in computers"@en-us . "105794449"@en-us . . "104681895"@en-us . . . . "Boolean logic"@en-us . "Boolean algebra"@en-us . . . . . "106165000"^^ .