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There is, if not a requirement that the argument be a Boolean, at least the strong suggestion. Nowhere does it say to return a non-Boolean. As long as we're evaluating the argument, we might as well check whether it is a Boolean or not, no?
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wiki.squeak.org/squeak/261
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The Boolean operators are AND, OR, and NOT. They perform logical functions on Boolean and integer operands and produce Boolean results. Integer operands are considered to be FALSE if they are 0, ... Logical and. The evaluation of the two Boolean operands produces a Boolean result according to the following table:
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docs.hp.com/en/32650-90888/ch02s04.html
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The constraints and properties of the boolean operand available in Gecode/R for Constraint Programming in Ruby. ... Boolean operands are created either by creating boolean variables (which are the simplest boolean operands) or by using operand properties that produce boolean operands...
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gecoder.rubyforge.org/documentation/operands/boolean-op...
gecoder.rubyforge.org/documentation/operands/boolean-operands.html
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Boolean logical operators operate on boolean operands. They combine two boolean values and return a boolean value as a result. The table below shows some boolean operators and the result they respectively produce. ... In the above table, A and B are boolean variables.
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www.ucertify.com/article/What-are--boolean-logical-oper...
www.ucertify.com/article/What-are--boolean-logical-operators-.html
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This blog is dedicated to sharing best practices for leveraging Boolean Logic to search the Internet, job boards, resume databases, and social media for sourcing and recruiting. ... Last week I wrote about how I learned to use Boolean search to leverage information systems to quickly source candidates, and I challenged...
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www.booleanblackbelt.com/
www.booleanblackbelt.com/
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Advanced Searching with Boolean Operands (commands) ... BOOLEAN Search Terms (Operands) and what they do ; AND similar to + in regular searching example: family history AND purrington ; OR similar to not using any notation in regular searching ;
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www.xmission.com/~gruf/classes/search.htm
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Many times I asked this particular question in the interview session and many people failed to answer. This is just to see the analytic ability of a candidate and how dynamic thinking they have. The logic is same for all programming language, so if you have the logic right then ... What if we can use the third variable:
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booleandreams.wordpress.com/
booleandreams.wordpress.com/
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most of the time, you will perform that using the comparison operators) to produce a boolean value. When both of the boolean operands evaluate to true, the logical AND operator returns the value true. It's much more like saying if the right operand is true AND if the left operand is true, then return true.
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www.devarticles.com/c/a/JavaScript/The-Power-of-Javascr...
www.devarticles.com/c/a/JavaScript/The-Power-of-Javascript-Operators-concluded/
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What is Boolean Search? ... Where does the term Boolean originate? ... Also Known As: Boolean, boolean logic, boolean search, boolean operators, boolean operands, boolean definition, boolean searching, boolean commands...
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websearch.about.com/od/2/g/boolean.htm
websearch.about.com/od/2/g/boolean.htm
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