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Vol 8 No 2 (1991)

Multisets, Quasi-Sets and Weyl's Aggregates
Décio Krause

On da Costa Algebras
José Seoane, L. P. de Alcantara

The Construction of the Calculi Cn of da Costa
Elias H. Alves, Giovanni S. Queiroz

Quasivarieties of Wajsberg Algebras
Hernando Gaitan

On S4 as the "Logic of Justified Knowledge ''
Javier Legris

Published: 2018-01-30
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