On the transitive closure of a wellfounded relation

Edsger W. Dijkstra. On the transitive closure of a wellfounded relation. In László Böszörményi, Jürg Gutknecht, Gustav Pomberger, editors, The School of Niklaus Wirth, The Art of Simplicity . pages 31-40, dpunkt.verlag/Copublication with Morgan-Kaufmann, 2000.

Abstract

Abstract is missing.