1. Brandom, R.B.: Making it explicit. Reasoning, Representing, and Discursive Commitment. Harvard University Press, Cambridge (1994)
2. Lecture Notes in Computer Science;F. Dau,2003
3. Lecture Notes in Artificial Intelligence;F. Dau,2003
4. Lecture Notes in Artificial Intelligence;F. Dau,2004
5. Dau, F., Klinger, J.: From Formal Concept Analysis to Contextual Logic. FB4-Preprint, TU Darmstadt (2003)