Boolean expression, An expression that evaluates as True or False. Also known as a logical expression., Logical expression, An expression that evaluates as True or False., Boolean operator, An operator used in a Boolean expression. For example, AND, OR, and NOT. Also known as logical operators., Logical operator, An operator used in a logical expression. For example AND, OR, and NOT., Expression, An expression is a collection of operands and operators that can be evaluated., Operator, A symbol or function that performs an operation. For example, +.

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