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Lindenbaum's extensions
Andrzej Biela, Teodor Stępień
Bulletin of the Section of Logic , 10 /1 (1981) s. 42-47 -
System S-bar
Teodor Stępień
Bulletin of the Section of Logic , 10 /2 (1981) s. 75-79 -
Craig-Godel-Lindenbaum's property and Sobicinski-Tarski's property in propositional calculi
Teodor Stępień
Bulletin of the Section of Logic , 10 /3 (1981) s. 116-121 -
The sufficient and necessary condition for Tarski's property in Lindenbaum's extensions
Teodor Stępień
Bulletin of the Section of Logic , 13 /4 (1984) s. 222-224 -
On number of Lindenbaum's oversystems of propositional and predicate calculi
Teodor Stępień
Bulletin of the Section of Logic , 14 /1 (1985) s. 34-38 -
Logic based on atomic entailment
Teodor Stępień
Bulletin of the Section of Logic , 14 /2 (1985) s. 65-69 -
Every two-valuated propositional calculus has the interpolation property
Zdzisław Dywan, Teodor Stępień
Bulletin of the Section of Logic , 9 /4 (1980) s. 152-153 -
A three element matrix whose consequence operation is not finitely based
Andrzej Wroński
Bulletin of the Section of Logic , 8 /2 (1979) s. 68-70 -
On reducts of intermediate logics
Andrzej Wroński
Bulletin of the Section of Logic , 9 /4 (1980) s. 176-179 -
Splittings of lattices of quasivarieties
Andrzej Wroński
Bulletin of the Section of Logic , 10 /3 (1981) s. 128-129 -
Quasivarieties of Heyting algebras
Andrzej Wroński
Bulletin of the Section of Logic , 10 /3 (1981) s. 130-134 -
Pretabular varieties of N-lattices
Andrzej Sendlewski
Bulletin of the Section of Logic , 12 /1 (1983) s. 17-20 -
On a system of computer-aided instruction of logic
Andrzej Trybulec
Bulletin of the Section of Logic , 12 /4 (1983) s. 214-220 -
Topological duality for Nelson algebras and its application
Andrzej Sendlewski
Bulletin of the Section of Logic , 13 /4 (1984) s. 215-219 -
Propositional logic and erotetic inferences
Andrzej Wiśniewski
Bulletin of the Section of Logic , 14 /2 (1985) s. 72-76 -
Remarks on intermediate logics with axioms containing only one variable
Andrzej Wroński
Bulletin of the Section of Logic , 2 /1 (1973) s. 58-62 -
On the degree of completeness of positive logic
Andrzej Wroński
Bulletin of the Section of Logic , 2 /1 (1973) s. 65-69