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BCKX is the axiomatization of implicational fragment of Lukasiewicz's infinite-valued logic Lω
Alexander S. Karpenko, Vladimir M. Popov
Bulletin of the Section of Logic , 26 /3 (1997) s. 112-117 -
Equivalential fragment of the infinite valued logic of Lukasiewicz and the intermediate logics
Piotr S. Krzystek
Bulletin of the Section of Logic , 9 /4 (1980) s. 170-175 -
Commutative BCK-algebras do not enjoy the interpolation property
Piotr S. Krzystek
Bulletin of the Section of Logic , 12 /2 (1983) s. 50-54 -
Characterization of prime numbers by Lukasiewicz's many-valued logics
Alexander S. Karpenko
Bulletin of the Section of Logic , 13 /2 (1984) s. 64-68 -
Formal truth and objective truth
Anguel S. Stefanov
Bulletin of the Section of Logic , 13 /3 (1984) s. 154-164 -
Possible worlds and many truth values
S. H. Thomason
Bulletin of the Section of Logic , 6 /3 (1977) s. 107-111 -
On free relatively pseudocomplemented semilattice with three generators
Piotr S. Krzystek
Bulletin of the Section of Logic , 6 /3 (1977) s. 116-122 -
Construction of classical propositional logic
Alexander S. Karpenko
Bulletin of the Section of Logic , 22 /3 (1993) s. 92-97 -
Sheffer's stroke for prime numbers
Alexander S. Karpenko
Bulletin of the Section of Logic , 23 /3 (1994) s. 126-129 -
The class of precomplete Lukasiewicz's many-valued logics and the law of prime numbers generation
Alexander S. Karpenko
Bulletin of the Section of Logic , 25 /1 (1996) s. 52-57 -
A hypothesis on the finiteness of graphs for Lukasiewicz's precomplete logics : graphs for prime numbers
Alexander S. Karpenko
Bulletin of the Section of Logic , 15 /3 (1986) s. 102-106 -
Algebraic structure of the truth-values for Lω
Alexander S. Karpenko
Bulletin of the Section of Logic , 17 /3-4 (1988) s. 127-137 -
Lattices of implicational logics
Alexander S. Karpenko
Bulletin of the Section of Logic , 21 /3 (1992) s. 82-91 -
An algebraic study of a propositional system of Nelson
Manuel M. Fidel
Bulletin of the Section of Logic , 7 /2 (1978) s. 89 -
A minimal equational base for certain varieties of BCK-algebras
Paweł M. Idziak
Bulletin of the Section of Logic , 10 /4 (1981) s. 152-157 -
A finite base for the consequence operation
Paweł M. Idziak
Bulletin of the Section of Logic , 12 /2 (1983) s. 76-89 -
Generalized complex algebras and regular identities
Paweł M. Idziak
Bulletin of the Section of Logic , 14 /2 (1985) s. 84-88 -
Constructive R
Jose M. Mendez
Bulletin of the Section of Logic , 16 /4 (1987) s. 167-175 -
Exhaustively axiomatizing S3-> and S4-> with a select list of representative theses
Jose M. Mendez
Bulletin of the Section of Logic , 17 /1 (1988) s. 15-22