# Difference between revisions of "Multiset"

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For example, <math>\{1, 1, 2, 3\} \neq \{1, 2, 3\}</math> as multisets. | For example, <math>\{1, 1, 2, 3\} \neq \{1, 2, 3\}</math> as multisets. | ||

− | Note that the order of the elements is unimportant, so <math> | + | Note that the order of the elements is unimportant, so <math>\{1, 1, 2, 3\}= \{3, 1, 2, 1\}</math>. |

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+ | {{stub}} | ||

[[Category:Definition]] | [[Category:Definition]] |

## Latest revision as of 11:55, 26 June 2013

A **multiset** is a slight generalization of the notion of a set. A set is defined by whether or not each object is an element. A multiset is defined not just by its elements, but also by how many times each element is contained. In other words, a multiset is a set where duplication of elements is allowed.

For example, as multisets.

Note that the order of the elements is unimportant, so .

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