Based on a symposium by the Internationale Gesellschaft für dialektische Philosophie, Societas Hegeliana with the theme "Abstrakt/Konkret" which took place in Braga from 21-23 September 1998.
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Abstrakt und konkret : zwei Schlüsselkategorien des zeitgenössischen Denkens. ISBN 3631365942. Published by Peter Lang in 2000. Publication and catalogue information, links to buy online and reader comments.
