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• 17:46, 3 September 2023 RhubarbJayde talk contribs created page Aleph fixed point (Created page with "An aleph fixed point, also referred to as an omega fixed point (OFP), is a fixed point of the function \(f(\alpha) = \aleph_\alpha\). In other words, it is a cardinal \(\kappa\) so that \(\aleph_\kappa = \kappa\). The existence of such a \(\kappa\) is guaranteed by the axioms of infinity, powerset and replacement combined with Veblen's fixed point lemma, and therefore it is provable in ZFC. Aleph fixed points are large in that they are unreachable from below via the...") Tag: Visual edit