English in situations.
Logic : key concepts in philosophy /
Logical writings /
Mathematical logic /
Computability and logic /
Logic and structure. /
Philosophy of logic /
Matrix logic /
The logic of categories /
Informal logic. /
Mathematical Logic.
Situational English. : Student´s Book Part 2 /
Situational English. : Student´s Book Part 3 /
Situational English. : Student´s Book Part 1 /
Situation analysis. : Children - Slovakia's future. /
Situational practise in english /
Contributions to mathematical logic : proceedings of the Logic Colloquium, Hannover 1966 /
Computability, Complexity, Logic. /
Reports on mathematical logic. No. 19
The situation in logic /