SOLUTION: How many real subset have a set which contain "n" elements ?

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Question 1008982: How many real subset have a set which contain "n" elements ?
Found 2 solutions by fractalier, ikleyn:
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
If the empty set is considered a subset as well as the set itself being a subset then the number of subsets from a set of n elements is
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Answer by ikleyn(52876) About Me  (Show Source):
You can put this solution on YOUR website!
How many real subset have a set which contain "n" elements ?
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See the lesson How many subsets are there in a given finite set of n elements? in this site.