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Find link is a tool written by Edward Betts .
searching for Kőnig's lemma 8 found (40 total)
alternate case: kőnig's lemma
Gödel's completeness theorem
(2,329 words)
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to each other and equivalent to a weak form of choice known as weak Kőnig's lemma , with the equivalence provable in RCA0 (a second-order variant of Peano
Reverse Mathematics: Proofs from the Inside Out
(536 words)
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namely arithmetical comprehension, recursive comprehension, and the weak Kőnig's lemma . The book is aimed at a "general mathematical audience" including undergraduate
Dialectica interpretation
(1,150 words)
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monotone and Ferreira-Oliva bounded interpretations (to interpret weak Kőnig's lemma ). Comprehensive treatments of the interpretation can be found at, and
Ordinal analysis
(4,347 words)
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Grzegorczyk hierarchy is total. RCA0, recursive comprehension. WKL0, weak Kőnig's lemma . PRA, primitive recursive arithmetic. IΣ1, arithmetic with induction
Computable analysis
(1,553 words)
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each digit at random in an infinite unending process. Bauer, Andrej. "Kőnig's Lemma and Kleene Tree" (PDF). Yumpu.com. "The Realizability Approach to Computable
Jordan curve theorem
(3,270 words)
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reverse mathematics the Jordan curve theorem is equivalent to weak Kőnig's lemma over the system R C A 0 {\displaystyle {\mathsf {RCA}}_{0}} . In computational
List of first-order theories
(5,269 words)
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Recursive Comprehension W K L 0 {\displaystyle {\mathsf {WKL}}_{0}} , Weak Kőnig's lemma A C A 0 {\displaystyle {\mathsf {ACA}}_{0}} , Arithmetical comprehension
Brouwer fixed-point theorem
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the base system RCA0 Brouwer's theorem for a square implies the weak Kőnig's lemma , so this gives a precise description of the strength of Brouwer's theorem