1. D. Batens, Dialectical dynamics within formal logics, Logique et Analyse 29 (1986), pp. 114?173.
2. D. Batens, Dynamic dialectical logics, in [9].
3. H. Friedman and R. Meyer, Can we Implement Relevant Arithmetic?, Technical Report TR-ARP-12/88, Automated Reasoning Project, Australian National University, Canberra, 1988.
4. G. Priest, Logic of paradox, Journal of Philosophical Logic 8 (1979), pp. 219?241.
5. G. Priest, In Contradiction, Nijhoff, 1987.