Types/bool

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Revision as of 20:20, 28 December 2021 by Honktown (talk | contribs) (Rewrite to prevent a very bad potential mistake)
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A variable type which can have one of two values: true or false. Care must be observed with the concepts of "truthy" and "falsey": different types will act like true in a boolean context, and nil will act like false, but they are not equal. Especially significant: "true" and "false" are truthy strings, and are not true and false.

Used in Boolean algebra, which is the foundation of digital logic and processing.

Wikipedia has a comprehensive article on Booleans