Let $X$ is simple set (http://en.wikipedia.org/wiki/Simple_set)
$Z \subset X$ is infinite recursive set.
$Y = X$ \ $Z$.
How to prove that there is a computable bijection $f$ that $x \in X \Leftrightarrow f(x) \in Y$?
2026-03-27 12:01:38.1774612898
Bijection of simple set
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