= Kleene fixed-point theorem
{wiki=Kleene_fixed-point_theorem}
The Kleene fixed-point theorem is a fundamental result in theoretical computer science and mathematical logic, particularly in the context of domain theory and functional programming. Named after Stephen Cole Kleene, it provides a framework for understanding the existence of fixed points in certain types of functions. In simple terms, a fixed point of a function \\( f \\) is a value \\( x \\) such that \\( f(x) = x \\).
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