proper subset

English

Euler diagram showing A is a proper subset of B, A⊂B, and conversely B is a proper superset of A.

Noun

proper subset (plural proper subsets)

(set theory) a set that is a subset of the set, but not equal to it.
{2, 4, 5} is a proper subset of {1, 2, 3, 4, 5}, but {1, 2, 3, 4, 5} is not.

Hypernyms

subset

Translations

a set that is a subset of but not equal to another set

Czech: vlastní podmnožina f
Danish: ægte delmængde c
Finnish: aito osajoukko
German: echte Teilmenge f

Icelandic: eiginlegt hlutmengi n
Italian: sottoinsieme proprio m
Swedish: proper delmängd, äkta delmängd (sv) c

References

proper subset on Wikipedia.Wikipedia

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