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

open allclose all

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:

Introduced in 2014
 (10.0)