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Boolean algebra
(redirected from Boolean logic)

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Boolean algebra

Set of algebraic rules, named after English mathematician George Boole, in which TRUE and FALSE are equated to 0 and 1. Boolean algebra includes a series of operators (AND, OR, NOT, NAND (NOT AND), NOR, and XOR (exclusive OR)), which can be used to manipulate TRUE and FALSE values (see truth table). It is the basis of computer logic because the truth values can be directly associated with bits.

These rules are used in searching databases either locally or across the Internet via services like Google to limit the number of hits to those which most closely match a user's requirements. A search instruction such as ‘tennis NOT table’ would retrieve articles about tennis and reject those about ping-pong.


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Unlike enterprise search solutions, which index every word in every file," says Harrison, "Abrevity's software first narrows the universe of files down through Boolean logic discovery and then extracts target data such as document summaries, people, places, legal data, social security numbers and even the overall tone or sentiment of a file.
Black-and-white diagrams and boolean logic symbols help drive the precepts home, though Artificial Intelligence For Computer Games does not contain any computer code per se--this is a manual of basic techniques that can generalize to any programming system.
Shannon showed that Leibniz's binary code was perfectly suited for the implementation of Boolean logic in electrical circuits.
 
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