SubsetQ

SubsetQ[list1,list2]

yields True if list2 is a subset of list1, and False otherwise.

Details

  • SubsetQ tests for non-strict subsets, and yields True if the listi are equivalent.
  • SubsetQ does not account for multiplicity of elements.

Examples

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Basic Examples  (1)

Test if a set is a subset of another set:

Properties & Relations  (2)

The empty list is a subset of every list:

Every list is a subset of itself:

Wolfram Research (2014), SubsetQ, Wolfram Language function, https://reference.wolfram.com/language/ref/SubsetQ.html.

Text

Wolfram Research (2014), SubsetQ, Wolfram Language function, https://reference.wolfram.com/language/ref/SubsetQ.html.

BibTeX

@misc{reference.wolfram_2021_subsetq, author="Wolfram Research", title="{SubsetQ}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/SubsetQ.html}", note=[Accessed: 22-October-2021 ]}

BibLaTeX

@online{reference.wolfram_2021_subsetq, organization={Wolfram Research}, title={SubsetQ}, year={2014}, url={https://reference.wolfram.com/language/ref/SubsetQ.html}, note=[Accessed: 22-October-2021 ]}

CMS

Wolfram Language. 2014. "SubsetQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/SubsetQ.html.

APA

Wolfram Language. (2014). SubsetQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/SubsetQ.html