Boolean logic

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Boolean logic

 [boo´le-an]
an algebra that permits operations on sets of elements; it is used in online literature searches. The principal Boolean operators are AND (intersection), OR (union), and NOT (difference).
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If the selected node is a Boolean operator, mutate it into another Boolean operator from the same arity value and type.
The goal of matching this performance in a manner consistent with the inference network model originally motivated the work presented in this article, as well as providing a benchmark against which performance of Boolean operators based on PIC matrices could be compared.
Find out if the site supports Boolean operators -- terms such as "and" and "not" that can be used to include or exclude results.
A motion control program is stored on a memory module in the motor itself, and a built-in program employs a rich command set that includes motion control, arithmetic functions, Boolean operators and conditional logic.
First Workshop: Web Search Engines, Boolean Operators
You can enter a word or phrase or use Boolean operators (AND, OR, or NOT) to link search strategies.
It searches the subject, message body, and address information and supports wildcards and the simple Boolean operators and, or, and near (within ten words).
For example, searching on the injection molding of nitrile rubber using natural language, Boolean operators and classifications as follows gives a wide variation in the number of records retrieved:
Pictures of each project are shown as a miniature catalogue and each can be enlarged on the screen in the normal way Sorts are possible (in English) by name and date of design, and searches by name are possible, but not with Boolean operators.
Unfortunately, since the Boolean operators are ignored, term relationships described by the operators are not reflected in the ranking, and the results can be counter-intuitive [Bookstein 1978; Radecki 1982].
The background information for teachers' use, for example, Boolean operators for the Flags activity, is handy and appropriate.
The Boolean operators AND, OR, and NOT are used in conjunction with keywords to include or exclude terms in a search.