Abstract
We study the topic of realization from classical justification logics in the context of the recently introduced Gödel justification logics. We show that the standard Gödel modal logics of Caicedo and Rodriguez are not realized by the Gödel justification logics and moreover, we study possible extensions of the Gödel justification logics, which are strong enough to realize the standard Gödel modal logics. On the other hand, we study the fragments of the standard Gödel modal logics, which are realized by the usual Gödel justification logics. We prove the corresponding realization theorem by using Fitting's merging of realizations as well as appropriate hypersequent calculi on the modal side, adapting the work by Metcalfe and Olivetti. For these hypersequent calculi, we also show a cut-elimination theorem. We provide natural semantical characterizations for all of these newly introduced logics.
| Original language | English |
|---|---|
| Pages (from-to) | 343-408 |
| Number of pages | 66 |
| Journal | Logic Journal of the IGPL |
| Volume | 30 |
| Issue number | 3 |
| Early online date | 8 Jan 2021 |
| DOIs | |
| Publication status | Published - 21 May 2022 |
Keywords
- fuzzy logic
- Gödel logic
- Justification logic
- modal logic
- realization
ASJC Scopus subject areas
- Logic
Fingerprint
Dive into the research topics of 'Gödel justification logics and realization'. Together they form a unique fingerprint.Cite this
- APA
- Standard
- Harvard
- Vancouver
- Author
- BIBTEX
- RIS