1. Arruda, A. (1983), “Aspects of the Historical Development of Paraconsistent Logic”, Poraconsistent Logic. eds. R. Routley and G. Priest, (in press)
2. Bar-Hillel, Y. (1968) “The Acceptance-Syndrome”, The Problem of Inductive Logic. Amsterdam: North-Holland.
3. Batens, D. (1975) Studies in the Logic of Induction and in the Logic of Explanation. Brugge: De Tempel.
4. Bar-Hillel, Y. (1968) “The Acceptance-Syndrome”, The Problem of Inductive Logic. Amsterdam: North-Holland.
5. Batens, D. (1975) Studies in the Logic of Induction and in the Logic of Explanation. Brugge: De Tempel.