why is a null set said as the subset of every set eventhough it does not have any elements?

Asked by  | 30th May, 2011, 12:00: AM

Expert Answer:

By the defination of subset, A set B is a subset of a set A if every element of B is also an element of A.

since null set has no element, it means every element of null set is also the element of all sets by default.

Hence null set is subset of every set.

Answered by  | 30th May, 2011, 10:15: AM

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