Is this set countable or uncountable?
The set I of all two-element subsets of Z+
(Z+ being positive integers)
Thanks!
Hello, iamthemanyes!
Is this set countable or uncountable?
The set of all two-element subsets of being positive integers)
Since we have a one-to-one correspondance: .
. . set has the same cardinality as the set of rational numbers,
. . which is countable.