Assertion: combination | /r/HasProperty | a selection of items
Facets:
value: without replacement
type: OTHER
value: from a set of n things
type: OTHER
value: in mathematics
type: OTHER
Source sentences:
text: In mathematics, a combination is a selection of items from a collection, such that (unlike permutations) the order of selection does not matter.
text: A combination is the choice of r things from a set of n things without replacement and where order does not matter.