Formal Theories for Transfinite Iterations of Generalized Inductive Definitions and Some Subsystems of Analysis

作者: Solomon Feferman

DOI: 10.1016/S0049-237X(08)70761-4

关键词: Transfinite numberNotationSet (abstract data type)Computability theoryAlgebraBounded functionArithmetic functionMathematicsIterated functionNatural number

摘要: Publisher Summary This chapter discusses the formal theories for transfinite iterations of generalized inductive definitions and some subsystems analysis. The first order systems express a principle defining specific sets natural numbers can be iterated υ times. in language classical analysis (containing variables numbers) roughly that there are hierarchies obtained by iterating hyperjump operation any number less than An arithmetic formula is one without set quantifiers or constants; it may contain parameters. arithmetical which all bounded said to elementary. usual notations recursion theory used formally informally. These special cases Kreisel's results concerning intuitionistic systems. suggests definite technical advantages reductions limitations their foundational significance.

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