There are no minimal essentially undecidable theories

Author:

Murwanashyaka Juvenal1,Pakhomov Fedor2,Visser Albert3

Affiliation:

1. Department of Mathematics, the Faculty of Mathematics and Natural Sciences, University of Oslo , Moltke Moes vei 35, Niels Henrik Abels hus, 0851 Oslo, Norway

2. Vakgroep Wiskunde: Analysis, Logic and Discrete Mathematics, Ghent University , Krijgslaan 281, B9000 Ghent, Belgium, and Steklov Mathematical Institute of Russian Academy of Sciences, Gubkina 8, 119991 Moscow, Russia

3. Philosophy, Faculty of Humanities, Utrecht University , Janskerkhof 13, 3512BL Utrecht, The Netherlands

Abstract

AbstractWe show that there is no theory that is minimal with respect to interpretability among recursively enumerable essentially undecidable theories.

Publisher

Oxford University Press (OUP)

Subject

Logic,Hardware and Architecture,Arts and Humanities (miscellaneous),Software,Theoretical Computer Science

Reference16 articles.

1. Deduction-preserving “Recursive Isomorphisms” between theories;Boykan Pour-El;Fundamenta Mathematicæ,1967

2. There are no minimal effective inseparable theories;Cheng,2022

3. Degrees of unsolvability associated with classes of formalized theories;Feferman;The Journal of Symbolic Logic,1957

4. Model-theoretic methods in the study of elementary logic;Hanf,1965

5. Undecidability of some simple formalized theories;Janiczak;Fundamenta Mathematicæ,1953

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