𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the effective ω-rule

✍ Scribed by Warren D. Goldfarb


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
315 KB
Volume
21
Category
Article
ISSN
0044-3050

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📜 SIMILAR VOLUMES


ON THE ITERATED ω-RULE
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## Abstract Let Γ~__n__~(φ) be a formula of L~PA~ (PA = Peano Arithmetic) meaning “there is a proof of φ from PA‐axioms, in which ω‐rule is iterated no more than __n__ times”. We examine relations over pairs of natural numbers of the kind. (__n__, __k__) ≦~__H__~ (__n', k__') iff PA + RFN~__n__'~

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