Theories of iterated inductive definitions
id:
theories-of-iterated-inductive-definitions-236-4549215
title:
Theories of iterated inductive definitions
text:
In set theory and logic, Buchholz's ID hierarchy is a hierarchy of subsystems of first-order arithmetic. The systems/theories I D ν are referred to as "the formal theories of ν-times iterated inductive definitions". IDν extends PA by ν iterated least fixed points of monotone operators.
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https://en.wikipedia.org/wiki/Theories_of_iterated_inductive_definitions
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date modified:
2024-03-16T18:39:33Z
main entity:
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