Publications
“The Basic Inductive Schema, Inductive Truisms, And The Research-Guiding Capacities Of The Logic Of Inductive Generalization”. Logique et Analyse 47: 53–84.
. 2004. 

“Two Semantically Motivated Enrichments Of Relevant Logics” . Essays in Philosophical Logic: 65–74.
. 1987. “A Dynamic Semantics For Inconsistency-Adaptive Logics”. Bulletin of the Section of Logic 27: 15–18.
. 1998. 
“Verisimilitude And Meaning Relations” . CC77. International Workshop on the Cognitive Viewpoint: 321–328.
. 1977. “Yes Fellows, Most Human Reasoning Is Complex”. Synthese 166: 113–131. http://dx.doi.org/10.1007/s11229-007-9268-4.
. 2009. 
“Rationality And Justification”. Philosophica 14: 83–103.
. 1974. “Aspecten Van Ontdekking En Creativiteit” . Gehelen en Fragmenten. De vele gezichten van de filosofie: 59.
. 1992. “A Dynamic Characterization Of The Pure Logic Of Relevant Implication”. Journal of Philosophical Logic 30: 267-280.
. 2001. 
“Looting Liars Masking Models” . Graham Priest on Dialetheism and Paraconsistency: 139--164.
. 2019. 
“Propositional Logic Extended With A Pedagogically Useful Relevant Implication”. Logic and Logical Philosophy 23: 245–276.
. 2014. 

“Incommensurability Is Not A Threat To The Rationality Of Science Or To The Anti-Dogmatic Tradition”. Philosophica 32: 117–132.
. 1983. Frontiers Of Paraconsistent Logic. Baldock, UK: Research Studies Press.
. 2000. Frontiers of Paraconsistent Logic 
“Abduction Logics Illustrating Pitfalls Of Defeasible Methods” . Applications of formal philosophy: the road less travelled 14: 169–193.
. 2017. “Rich Inconsistency-Adaptive Logics. The Clash Between Heuristic Efficiency And Realistic Reconstruction” . Logique en perspective. Mélanges offerts à Paul Gochet: 513–543.
. 2000. 
“Shortcuts And Dynamic Marking In The Tableau Method For Adaptive Logics”. Studia Logica 69: 221–248.
. 2001. 
“Kennissystemen Selectief Wieden” . Laat ons niet ernstig blijven. Huldeboek voor Jean Paul Van Bendegem: 227–244.
. 2018. 

“Creativiteit In Wetenschap En Muziek” . Liber Amicorum J.L. Broeckx: 29–55.
. 1986. “Inconsistency-Adaptive Logics And The Foundation Of Non-Monotonic Logics”. Logique et Analyse 37: 57–94.
. 1994. 
“Groepsbeslissingen: Kwaliteit, Autoriteit En Vertrouwen”. Tijdschrift voor Filosofie.
. In Press. 
“Russell's Set Versus The Universal Set In Paraconsistent Set Theory”. Logique et Analyse 25: 121–133.
. 1982. “An Empirical Investigation On Scientific Observation” . Theory of Knowledge and Science Policy: 3–36.
. 1979. “An Exact Truthmaker Semantics For Obligation And Permission”. Deontic Logic and Normative Systems: 2016.
. 2016. 
“Report 3Rd Workshop In The Philosophy Of Information”. The Reasoner 1: 6-7.
. 2011. 