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1. Homework Statement
How many elements does this set have?
* P(P(∅))
2. Homework Equations
I know that if a set has n elements, then its power set has 2^n elements but i really want to know if (P(∅)) is just one element or not.
Thanks in advance..
How many elements does this set have?
* P(P(∅))
2. Homework Equations
I know that if a set has n elements, then its power set has 2^n elements but i really want to know if (P(∅)) is just one element or not.
Thanks in advance..