Paraconsistent algebras

Studia Logica 43 (1-2):79 - 88 (1984)
The prepositional calculiC n , 1 n introduced by N.C.A. da Costa constitute special kinds of paraconsistent logics. A question which remained open for some time concerned whether it was possible to obtain a Lindenbaum''s algebra forC n . C. Mortensen settled the problem, proving that no equivalence relation forC n . determines a non-trivial quotient algebra.The concept of da Costa algebra, which reflects most of the logical properties ofC n , as well as the concept of paraconsistent closure system, are introduced in this paper.
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    References found in this work BETA
    Leon Henkin (1971). Cylindric Algebras. Amsterdam,North-Holland Pub. Co..
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