KnowraDiagonal lemmaLinked fromLinked fromThe 10 pages that link to Diagonal lemma, each with the reason it gives.All 10Related 8Compared with 2Cantor's diagonal argumentCompared with: It shares a diagonal flavor but belongs to mathematical logic, not this real-number proof.Kleene's recursion theoremCompared with: Both results formalize self-reference, but the diagonal lemma concerns sentences and provability.