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If a null set can be a proper subset of any set or not?

Asked by Megha M 23rd September 2012, 10:03 PM
Answered by Expert
Answer:
A null set, Q can be a proper subset of any non-empty set A. It is because of the Q has at least one element less than A and the Q is the sub set of A.
So, a null set is always a proper subset of any non-empty set.
 
Although a null set X can be a subset of another null set Y, but X can not be a proper subset of Y. Because X does contain at least one element less than Y.
Answered by Expert 23rd September 2012, 11:23 PM
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