Linked from
The 28 pages that link to Computability theory, each with the reason it gives.
Alan TuringNarrower topic: Turing’s work helped establish its limits and foundational questions.
Philosophy of mathematicsRelated: It clarifies the limits of effective mathematical procedures.
Formal scienceRelated: It establishes formal limits on what computation can accomplish.
Post's theoremNarrower topic: Post's theorem is a foundational bridge within this field.