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subSet(setToMatch, setToCheck) Returns True if all values in one subset exist in another. |
Function: subSet()
Returns True if all values in one subset exist in another.
...
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.