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FilledSmallSquareBooleans represents the domain of booleans, as in x Booleans.

FilledSmallSquare The domain of booleans is taken to consist of the symbols True and False.

FilledSmallSquarex Booleans evaluates immediately if x is explicitly True or False.

FilledSmallSquareSimplify[expr Booleans] can be used to try to determine whether an expression is boolean, with no undetermined variables.

FilledSmallSquareBoolean is output in TraditionalForm as .

FilledSmallSquare See The Mathematica Book: Section 3.3.10.

FilledSmallSquare See also: Element, Simplify, True, False, Integers.

Further Examples