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