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We already know the following sets are countable. Prove that they are all equinumerous with N , by defining an injection from N to the
We already know the following sets are countable. Prove that they are all equinumerous with N, by defining an injection from N to the given set.
N {(1,1)}
N {(1,1),...,(1,20)}
Z
N N
N N N
Q
The set of all finite strings of ascii characters.
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