Frank Van Dun (1947) Belgian law philosopher
"The Logic of Common Morality" http://web.archive.org/web/20060616233942/http://www.stephankinsella.com/texts/vandun_philosophy_argument.pdf, from E.M. Barth and J.L. Martens, eds., Argumentation Approaches to Theory Formation: Containing the contributions to the Groningen Conference on the Theory of Argumentation, October 1978 (Benjamins, 1982; original from the University of Michigan, digitized Mar 12, 2007. ISBN 9-027-23007-2, 333 pages).