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446 Publications

1993 | Journal Article | LibreCat-ID: 19814
A. Flögel, H. Kleine Büning, and T. Lettmann, “On the restricted equivalence for subclasses of propositional logic,” RAIRO - Theoretical Informatics and Applications, pp. 327–340, 1993.
LibreCat | DOI

1991 | Report | LibreCat-ID: 19822
B. I. Dahn, T. Lettmann, and W. Schönfeld, ILFA Interface Concept, vol. 193. ´Heidelberg: Wissenschaftliche Zentrum der IBM Deutschland , 1991.

1989 | Journal Article | LibreCat-ID: 19818
H. Kleine Büning, T. Lettmann, and E. W. Mayr, “Projections of vector addition system reachability sets are semilinear,” Theoretical Computer Science, pp. 343–350, 1989.
LibreCat | DOI

1988 | Conference Paper | LibreCat-ID: 19820
H. Kleine Büning and T. Lettmann, “Perspektiven für die Logikprogrammierung,” in Workshop Wissensrepräsentation in Expertensystemen, 1988, pp. 56–78.

1987 | Book Chapter | LibreCat-ID: 19821
H. K. Büning and T. Lettmann, “Representation independent query and update operations on propositional definite Horn formulas,” in Computation Theory and Logic, E. Börger, Ed. Berlin, Heidelberg, 1987, pp. 208–223.
LibreCat | DOI

1986 | Book Chapter | LibreCat-ID: 19819
H. Kleine Büning and T. Lettmann, “Classes of first order formulas under various satisfiability definitions,” in 8th International Conference on Automated Deduction, Berlin, Heidelberg, 1986.
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