Function: subSet()

Returns True if all values in one subset exist in another.

Syntax

subSet(setToMatch, setToCheck)

Argument	Type	Description
setToMatch	Array	The set of values to match.
setToCheck	Array	The set of values to check.

subSet(["A","B"],["D","B","A","B"])

Returns True.

subSet(["A","B"],["D","B","E","B"])

Returns False because "A" is not in the second set.

subSet(["A","A","B"],["D","B","A","B"])

Returns True. both "A" members in the input array are related to the single "A" in the comparator array.

Note that subSet($list1,$list2) is equivalent to the expression countElements(excluded($list1,$list2)) > 0.