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## Homework Statement

Write out the following sets by listing their elements between the curly braces.

a. [itex] 2^\emptyset [/itex]

b. {x:x [itex]\subseteq[/itex] {1,2,3,4,5} and |x|[itex] \leq [/itex] 1

## The Attempt at a Solution

a. I'm not sure if the only element is one, or if this is an undefined operation.

b. I think the elements of this set are [itex] {\emptyset} [/itex] and {1}