key - BetsyMcCall.net
... d. The real numbers with decimal representations of all 1s or 9s Countable (I interpret this to be all (1s or 9s) but if you interpret this to be all 1s or all 9s then the set is just like the one for c, but let the odds be the 1’s and the evens the 9s) x f(x) ...
... d. The real numbers with decimal representations of all 1s or 9s Countable (I interpret this to be all (1s or 9s) but if you interpret this to be all 1s or all 9s then the set is just like the one for c, but let the odds be the 1’s and the evens the 9s) x f(x) ...
