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Beginning Booleans

An important type of expression, one you’ll probably use a lot in your work, is a Boolean expression. Boolean expressions use relational or logical operators and return the values true or false. Be careful of the capitalization). Of the two, the relational operations are the simplest. They return true or false based on the relationship of two values:

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A Bit of History

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Boolean expressions and the Boolean values true and false are named after George Boole, the Victorian mathematician and logician who developed symbolic logic in the 1840s.

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