This site uses cookies only for the purpose of identifying user sessions.
This is required to properly register actions.
$\overline{K}\;\leq\;\{ \langle p,q\rangle \mid |\mathtt{Dom}(\varphi_p)\cap\mathtt{Dom}(\varphi_q)|=2 \}$
Reduce $\overline{K}$ to the set of pairs of natural numbers codifying programs
such that the domains of the functions implemented by them share exactly two
elements (roughly, the set of pairs of programs implementing functions whose
domains share exactly two elements), in order to prove that such set is not
semi-decidable (not recursively enumerable).
Authors: Carles Creus, Guillem Godoy
/
Documentation: