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CC-BY - Uznanie autorstwaDeduction in Non-Fregean Propositional Logic SCI
| cris.lastimport.scopus | 2024-02-12T19:43:43Z |
| dc.abstract.en | We study deduction systems for the weakest, extensional and two-valued non-Fregean propositional logic SCI . The language of SCI is obtained by expanding the language of classical propositional logic with a new binary connective ≡ that expresses the identity of two statements; that is, it connects two statements and forms a new one, which is true whenever the semantic correlates of the arguments are the same. On the formal side, SCI is an extension of classical propositional logic with axioms characterizing the identity connective, postulating that identity must be an equivalence and obey an extensionality principle. First, we present and discuss two types of systems for SCI known from the literature, namely sequent calculus and a dual tableau-like system. Then, we present a new dual tableau system for SCI and prove its soundness and completeness. Finally, we discuss and compare the systems presented in the paper. |
| dc.affiliation | Uniwersytet Warszawski |
| dc.contributor.author | Welle, Magdalena |
| dc.contributor.author | Golińska-Pilarek, Joanna |
| dc.date.accessioned | 2024-01-24T21:18:30Z |
| dc.date.available | 2024-01-24T21:18:30Z |
| dc.date.copyright | 2019-10-17 |
| dc.date.issued | 2019 |
| dc.description.accesstime | AT_PUBLICATION |
| dc.description.finance | Nie dotyczy |
| dc.description.number | 115 |
| dc.description.version | FINAL_PUBLISHED |
| dc.description.volume | 8 (4) |
| dc.identifier.doi | 10.3390/AXIOMS8040115 |
| dc.identifier.uri | https://repozytorium.uw.edu.pl//handle/item/104426 |
| dc.identifier.weblink | https://www.mdpi.com/2075-1680/8/4/115/pdf |
| dc.language | eng |
| dc.pbn.affiliation | philosophy |
| dc.relation.ispartof | Axioms |
| dc.rights | CC-BY |
| dc.sciencecloud | nosend |
| dc.subject.en | non-Fregean logic |
| dc.subject.en | identity connective |
| dc.subject.en | sentential calculus with identity |
| dc.subject.en | situational semantics |
| dc.subject.en | deduction |
| dc.subject.en | (dual) tableau |
| dc.subject.en | Gentzen system |
| dc.title | Deduction in Non-Fregean Propositional Logic SCI |
| dc.type | JournalArticle |
| dspace.entity.type | Publication |