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|Type:||Artigo de periódico|
|Title:||An alternative approach for quasi-truth|
|Abstract:||In 1986, Mikenberg et al. introduced the semantic notion of quasi-truth defined by means of partial structures. In such structures, the predicates are seen as triples of pairwise disjoint sets: the set of tuples which satisfies, does not satisfy and can satisfy or not the predicate, respectively. The syntactical counterpart of the logic of partial truth is a rather complicated first-order modal logic. In the present article, the notion of predicates as triples is recursively extended, in a natural way, to any complex formula of the first-order object language. From this, a new definition of quasi-truth is obtained. The proof-theoretic counterpart of the new semantics is a first-order paraconsistent logic whose propositional base is a 3-valued logic belonging to hierarchy of paraconsistent logics known as Logics of Formal Inconsistency, which was proposed by Carnielli and Marcos in 2002.|
logics of formal inconsistency
3-valued paraconsistent logic
first-order paraconsistent logic
3-valued model logic
paraconsistent model theory
|Editor:||Oxford Univ Press|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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