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BooleanVariables[expr]
gives a list of the Boolean variables in the Boolean expression expr.
Details Examplesopen allclose all Basic Examples (2)Find the variables in a Boolean expression:
Find the number of variables for a pure BooleanFunction object:
Scope (2)Find the Boolean variables in a Boolean expression:
Programmatically get the number of arguments to a pure Boolean function:
Properties & Relations (2) Possible Issues (1)Anything that is not explicitly constructed using Boolean primitives and functions is variable:
Wolfram Research (2008), BooleanVariables, Wolfram Language function, https://reference.wolfram.com/language/ref/BooleanVariables.html. TextWolfram Research (2008), BooleanVariables, Wolfram Language function, https://reference.wolfram.com/language/ref/BooleanVariables.html.
CMSWolfram Language. 2008. "BooleanVariables." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BooleanVariables.html.
APAWolfram Language. (2008). BooleanVariables. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BooleanVariables.html
BibTeX@misc{reference.wolfram_2025_booleanvariables, author="Wolfram Research", title="{BooleanVariables}", year="2008", howpublished="\url{https://reference.wolfram.com/language/ref/BooleanVariables.html}", note=[Accessed: 12-July-2025 ]}
BibLaTeX@online{reference.wolfram_2025_booleanvariables, organization={Wolfram Research}, title={BooleanVariables}, year={2008}, url={https://reference.wolfram.com/language/ref/BooleanVariables.html}, note=[Accessed: 12-July-2025 ]}
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