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  1. Π 2 1 -Logic and uniformization in the analytical hierarchy.J. P. Ressayre - 1989 - Archive for Mathematical Logic 28 (2):99-117.
    We give a simple proof ofΠ 1 1 andΠ 2 1 uniformization results, which is based on the use ofΠ 2 1 -Logic.
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  • A strong boundedness theorem for dilators.A. S. Kechris & W. H. Woodin - 1991 - Annals of Pure and Applied Logic 52 (1-2):93-97.
    We prove a strong boundedness theorem for dilators: if A ⊆ DIL is Σ 1 1 , then there is a recursive dilator D 0 such that ∀ D ∈ A.
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  • Set recursion and Πhalf-logic.Jean-Yves Girard & Dag Normann - 1985 - Annals of Pure and Applied Logic 28 (3):255-286.
  • Π12-logic, Part 1: Dilators.Jean-Yves Girard - 1981 - Annals of Mathematical Logic 21 (2-3):75-219.
  • [product]¹2-logic, Part 1: Dilators.Jean-Yves Girard - 1981 - Annals of Mathematical Logic 21 (2):75.
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  • Descriptive Set Theory.Yiannis Nicholas Moschovakis - 1982 - Studia Logica 41 (4):429-430.
     
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