boolean

listen to the pronunciation of boolean
الإنجليزية - الإنجليزية
A variable that can hold a single true/false (1/0) value
Pertaining to data items that can have “true” and “false” (or, equivalently, 1 and 0 respectively) as their only possible values and to operations on such values
Of or pertaining to the work of George Boole
(adjective) denoting a system of algebraic notation used to represent logical propositions by means of the binary digits 0 (false) and 1 (true), especially in computing and electronics
(noun) Computing - a binary variable with these possible values
Pertaining to data items that can have "true" and "false" (or, equivalently, 1 and 0 respectively) as their only possible values and to operations on such values
A true-or-false value In Java, represented by the primitive type boolean and by the object type Boolean See the sidebar on Java Primitive Types in the chapter on Things, Types, and Names
Logic named for George Boole, English mathematician and philosopher In this form of logic, values have two states (true or flase, on or off, etc ) Computers use Boolean logic to perform virtually all computation
Refers to an expression or variable that can have only a true or false value The Java(TM) programming language provides the boolean type and the literal values true and false
A standard language of qualifiers (such as "&" and "OR") used to restrict an informational or statistical search to certain parameters Boolean characters can be great help when searching the Internet For example, on the Infoseek search engine, searching for "healthcare agency" produces more than 4 million matches, or all entries that contain either "healthcare" or "agency " But a search for "healthcare & agency" locates only the matches that contain both words, significantly limiting the results
of or relating to a combinatorial system devised by George Boole that combines propositions with the logical operators AND and OR and IF THEN and EXCEPT and NOT
Two valued A boolean int contains one of two possible values: 0 (false) or 1 (true) Named after George Boole (1815-1864), a British mathematician and logician who developed Boolean algebra He was primarily self-educated
(1) An algebra (named for George Boole) that is similar in form to ordinary algebra, but in which the values of the variables are restricted to the two possible values true and false The logic of Boolean algebra works well with the binary logic of computers, where values are represented by the digits 0 and 1 (2) A term sometimes used to refer to Boolean operators, including AND, OR, NOT, EXCEPT, IF, THEN, TRUE, and FALSE
Boolean algebra is the mathematics of base two numbers Since base two numbers have only two values, zero and one, there is a good analogy between base two numbers and the logical values "true" & "false" In common usage, booleans are therefore considered to be simple logical values like true & false and the operations that relate them, most typically "and", "or" and "not" Since everyone has a basic understanding of the concepts of true & false and basic conjunctions, everyone also has a basic understanding of boolean concepts -- they just may not realize it
A binary data type Boolean values are 16-bit (2-byte) values that can hold the True or False constants or their equivalents (-1 and 0) The Boolean data type uses the prefix bln but doesn't have a type-declaration character
One of Java's primitive types The boolean type has only two values: true and false
A system devised by George Boole for applying mathematics-like procedures to logic It uses expressions, (an expression is a mathematical statement, such as 1+1=2) built up from propositions, and the logical operations "and", "or", "not" Each expression can be "evaluated" as "True" or "False" (and nothing in between!)
Refers to an expression or variable that can have only a true or false value The Java language provides the boolean type and the literal values true and false
A query strategy for searching databases Boolean searches use connectors such as "and" or "or" to expand or narrow a search For example, to retrieve information about cats and dogs, searchers type in the word "and" to insure they receive information about both groups
A type of arithmetic in which all digits are bits-that is, the numbers may have only two states: on (true or 1) or off (false or 0) Widely used in set theory and computer programming, Boolean, named after mathematician George Boole, also is used to describe a data type that may have only two states: true or false
Boolean is a logic system Using the "AND" operator between terms retrieves documents containing both terms "OR" retrieves documents containing either term "NOT" excludes the retrieval of terms from your search Use "NOT" with caution
A system of logic It is used on the Internet in searching for resources In its simplest form for example, entering "Web AND Page" as search criteria would tell the search tool to find resources that contain both the words both "Web" and "Page " Entering "Web OR Page" as search criteria would tell the search tool to find resources that contain both the words "Web" and "Page" or either word
Refers to an expression or variable that can have only a true or false value The Java programming language provides the boolean type and the literal values true and false
{s} of Boolean algebra (mathematical set with operations whose rules are any of various equivalent systems of postulates); of or pertaining to a combinatorial system invented by George Boole
A special kind of immediate value In NewtonScript, there is only one Boolean, called true Functions and control structures use nil to represent false When testing for a true/false value, nil represents false, and any other value is equivalent to true Source: NPG
Of, pertaining to, or characteristic of logical (true or false) values Many languages directly support a Boolean data type, with predefined values for true and false; others use integer data types to implement Boolean values, usually (although not always) with 0 equaling false and "not 0" equaling true Queries with Boolean operators (AND, OR, NOT, and NEAR) are referred to as Boolean queries
TRUE or FALSE; one bit of information
n an object of type boolean; that is, one of the following objects: the symbol~t (representing true), or the symbol~nil (representing false) See generalized boolean
logical; based upon, or reducible to a true or false condition
Refers to an expression that must evaluate to a value of true or false, named for the British mathematician George Boole In MGI and other databases, Boolean refers to the kind of logical relationship among search terms Boolean operators include AND, OR, and NOT For example, searching for all markers of the type "Gene" on Chromosome 2 is equivalent to identifying the union of the two sets: 1) all markers of the type "Gene" (Type Gene? = true) AND 2) all markers on Chromosome 2 (Chromosome 2 = true)
A type of variable that can store only two values: true and false
Booleans are used to denote the result of a logical operation A boolean can be either true or false
1 An algebra (named for George Boole) that is similar in form to ordinary algebra, but in which the values of the variables are restricted to the two possible values true and false The logic of Boolean algebra works well with the binary logic of computers, where values are represented by the digits 0 and 1
Boolean algebra
An algebra with two binary operators which are both associative, both commutative, such that both operators are distributive with respect to each other, with a pair of identity elements: one for each operator, and a unary complementation operator which simultaneously yields the inverse with respect to both operators

The set of divisors of 30, with binary operators: g.c.d. and l.c.m., unary operator: division into 30, and identity elements: 1 and 30, forms a Boolean algebra.

Boolean algebra
An algebra in which all elements can take only one of two values (typically 0 and 1, or "true" and "false") and are subject to operations based on AND, OR and NOT
Boolean function
Any function based on the operations AND, OR and NOT, and whose elements are from the domain of Boolean algebra
Boolean functions
plural form of Boolean function
Boolean lattice
The lattice corresponding to a Boolean algebra
Boolean logic
A system of symbolic logic that is the basis of Boolean algebra
Boolean variable
Any variable, from the domain of Boolean algebra, having one of only two values
Boolean variables
plural form of Boolean variable
Boolean algebra
An algebra in which elements have one of two values and the algebraic operations defined on the set are logical OR, a type of addition, and logical AND, a type of multiplication. Symbolic system used for designing logic circuits and networks for digital computers. Its chief utility is in representing the truth value of statements, rather than the numeric quantities handled by ordinary algebra. It lends itself to use in the binary system employed by digital computers, since the only possible truth values, true and false, can be represented by the binary digits 1 and
Boolean algebra
A circuit in computer memory can be open or closed, depending on the value assigned to it, and it is the integrated work of such circuits that give computers their computing ability. The fundamental operations of Boolean logic, often called Boolean operators, are "and," "or," and "not"; combinations of these make up 13 other Boolean operators
boolean algebra
mathematical set with operations whose rules are any of various equivalent systems of postulates
boolean logic
a system of symbolic logic devised by George Boole; used in computers
boolean operation
an operation that follows the rules of boolean algebra; each operand and the result take one of two values
boolean operation
Named after the logician George Boole Boolean Operators are used in search engines and are variables which can either have a value of true or false They are AND, OR, NOT and you can include them in your search phrases For example, instead of expressing a wish to find out about 'the planets' you would say 'planets NOT music'
boolean operation
An operation whose operands and result are of type boolean; in Pascal, one of the operations AND,OR, or NOT
boolean operation
mathematical problem based on Boolean algebra
boolean operation
A logical comparison of two values A boolean operation evaluates the expression on the left and the expression on the right to a value of true (usually represented by the digit "1") or false (usually represented by the digit "0") The operation then evaluates the two operands to a value of true or false Boolean operations are commonly used in database search queries Example: 1 AND 0 = False
boolean operation
A method using logic terms to define or restrict the parameters of a search or command Often used by search functions or search engines as a way to create detailed searches, e g "true", "false", "includes", "not", etc
boolean operator
provides a way to express the logical relationships between concepts The most common Boolean operators are: AND and OR
boolean operator
A symbol or word used in Internet searches to narrow search results, or to include or exclude certain words or phrases from the results Note: not all search engines except boolean operators
boolean operator
words such as AND, OR, and NOT that are used to combine search terms to broaden or narrow the results of a search Combining terms using operators is sometimes called Boolean searching
boolean operator
Logical operators, such as AND and OR, that are used to connect search terms into search statements The operators tell the database what the relationship is between the search terms
boolean operator
Boolean Operators define the relationship between words in a search statement The principal Boolean operators are: AND (intersection) OR (union) and NOT (difference)
boolean operator
It is word such as "AND," "OR," and "NOT" It is used logically to limit a keyword search in a search string
boolean operator
Boolean operators are used to combine logical expressions into a complex expression
boolean operator
Also called a logical operator Used in programming to identify AND, OR, NOR, XOR, and NOT operations
boolean operator
The words AND, OR, and NOT used to combine concepts or search terms when searching a database for information
boolean operator
provides a way to tell a computer how you want to combine your descriptors or keywords The most common Boolean operators are: AND, OR [Find tips on using Boolean operators ]
boolean operator
Words like AND, OR and NOT - used to refine searches
boolean operator
Special words (AND, OR, NOT, ADJ, NEAR, etc ) used to combine terms in a search statement Used with Search Tools to refine a search
boolean operator
An instruction that enables users to create more complex criteria for file searchers (e g , OR, AND, or NOT)
boolean operator
Words that can be used in a search query to specify one's information needs Boolean operators include AND, OR, and NOT
boolean operator
logical operator, mathematical operation between Boolean values
boolean operator
A word (AND, OR, or NOT) that helps you narrow, broaden, or refine the scope of a keyword search On the Internet, you can use Boolean operators with most search engines
boolean operator
A word in all capital letters, such as AND, OR, and NOT, used to combine search items For example, if you search for ham AND eggs, you would get documents which contain both words; ham OR eggs would look for all documents with ham and all with eggs; ham AND eggs NOT seuss would look for documents with both words, but no mention of Dr Seuss
boolean operator
Boolean operators are used when searching the web They help you find the information you are looking for by restricting your search using words like AND, OR and NOT
boolean operator
A word (AND, OR, or NOT) that helps you refine the scope of a keyword search On the Internet, you can use Boolean operators with Veronica, Jughead, and Web search engines
boolean operator
or Boolean Logic The use of AND, OR, and NOT to refine or expand the possible results in your search Example
boolean search
information search on a computer based on Boolean logic (using expressions such as OR, AND, NOT, NOR)
التركية - الإنجليزية
boolean
boolean

    الواصلة

    bool·e·an

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    علم أصول الكلمات

    [ 'bü-lE-&n ] (adjective.) 1851. From the name of George Boole.
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