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yields True if e1 contains none of the elements in e2.
is an operator form that yields True when the object to which it is applied contains none of the elements of e2.
The first list contains none of the elements of the second list:
The first list contains elements of the second list:
ContainsAll ContainsAny ContainsOnly ContainsExactly DisjointQ MemberQ FreeQ Complement Intersection