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IsSubset

checks if the elements of one list are a subset of another

Syntax
IsSubset(L:LIST,M:LIST):BOOL

Description
This function returns TRUE is Set(L) is contained in Set(M); otherwise it returns FALSE.

NOTE: The obsolete function SubSet used to have the same behaviour.

Example
IsSubset([1,1,2],[1,2,3,"a"]);
TRUE
-------------------------------
IsSubset([1,2],["a","b"]);
FALSE
-------------------------------
IsSubset([],[1,2]);
TRUE
------------------------------- 


See Also