## Abstract In this paper we study the modal behavior of Ξ£βpreservativity, an extension of provability which is equivalent to interpretability for classical superarithmetical theories. We explain the connection between the principles of this logic and some wellβknown properties of HA, like the disj
The Interpretability Logic of all Reasonable Arithmetical Theories
β Scribed by Joost J. Joosten; Albert Visser
- Book ID
- 110226907
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 135 KB
- Volume
- 53
- Category
- Article
- ISSN
- 1876-2514
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π SIMILAR VOLUMES
Ill [6] Albert Visser shows that ILP completely axiomatizes all schemata about provabihty and relative interpretability that are provable in finitely axiomatized theories. In this paper we introduce a system called ILP ~ that completely axiomatizes the arithmetically valid principles of provability
It is proved in this paper that the predicate logic of each complete constructive arithmetic theory T having the existential property is T 1 -complete. In this connection, the techniques of a uniform partial truth deΓΏnition for intuitionistic arithmetic theories is used. The main theorem is applied