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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 MakeSet(L) is contained in MakeSet(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