Keywords

#effective_descriptive_set_theory

Effective descriptive set theory

Branch of mathematics

Effective descriptive set theory is the branch of descriptive set theory dealing with sets of reals having lightface definitions; that is, definitions that do not require an arbitrary real parameter. Thus effective descriptive set theory combines descriptive set theory with recursion theory.

Mon 4th

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Effective descriptive set theory Descriptive set theory Computability theory Hyperarithmetical theory Set theory Arithmetical hierarchy Analytical hierarchy Π01 class Borel hierarchy Yiannis N. Moschovakis
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