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Determinacy on the edge of second‐order arithmetic, I

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 3, March 2026.
Abstract This is the first of two articles on the strength of m$m{}$‐Σ30$\bm{\Sigma }^0_3{}$‐determinacy for m∈N$m\in \mathbb {N}$, the strongest theories of determinacy contained in Hilbert's second‐order arithmetic (Z2)$(Z_2)$. In this article, we refute two natural conjectures on the strength of these principles in terms of inductive definability ...
J. P. Aguilera, P. D. Welch
wiley   +1 more source

The Vanishing Colorectal Tumor: Lessons from an Illustrative Case Report. [PDF]

open access: yesGE Port J Gastroenterol
Cardoso R   +4 more
europepmc   +1 more source

Coronary stenting after aortic root replacement. [PDF]

open access: yesRadiol Case Rep
Kudrinskiy AV   +3 more
europepmc   +1 more source

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