C. P. Wirth, J. Siekmann, V. Peckhaus, M. Gabbay, D. Gabbay: “David Hilbert, Paul Bernays: Grundlagen Mathematik I”, Foundations of Mathematics I, bilingual 8-volume edition, 2016; subsequent volumes to appear. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
P. Szabo, J. Siekmann, and M. Hoche: „What Is Essential Unification?.“ In: Martin Davis on Computability, Computational Logic, and Mathematical Foundations, pp. 285-314. Springer International Publishing. 2016. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
J. Siekmann: „Computational Logic” erschienen in: D.Gabbay, J.Siekmann,J.Woods (eds) „Handbook on the History of Logic“, vol. 9, North Holland, Elsevier, 2014. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
S. Autexier, C. Benzmüller, D. Dietrich, J. Siekmann: „OMEGA“ In: „Resource Adaptive Cognitive Processes“ , Springer Cognitive Technologies, Springer Verlag, 2010 |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
E. Melis, A. Meier, and J. Siekmann: „Proof planning with multiple strategies.“ In: Artificial Intelligence, vol. 172 no. 6-7, p. 656-684. 2008. |
 |
[su_button url=“http://siekmann.dfki.de/wp-content/uploads/2017/09/Proof-planning-with-multiple-strategies.txt“ target=“_blank“ background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
E. Melis, and J. Siekmann: „e-Learning Logic and Mathematics: What We Have and What We Still Need.“ In: Essays in Honor of Dov Gabbay. 2005. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
E. Melis, and J. Siekmann: „Activemath: An intelligent tutoring system for mathematics.“ In: ICAISC, pp. 91-101. 2004. |
 |
[su_button url=“http://siekmann.dfki.de/wp-content/uploads/2017/09/Activemath-An-intelligent-tutoring-system-for-mathematics.txt“ target=“_blank“ background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
J. Siekmann, C. Benzmüller, A. Fiedler, A. Meier, I. Normann, and M. Pollet: „Proof Development with Ωmega: The Irrationality of\sqrt 2.“ In: Thirty five years of automating mathematics, pp. 271-314. Springer Netherlands. 2003. |
 |
[su_button url=“http://siekmann.dfki.de/wp-content/uploads/2017/09/Proof-Development-with-Omega.txt“ target=“_blank“ background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
J. Siekmann, and Graham Wrightson: „An open research problem: Strong completeness of R. Kowalski’s connection graph proof procedure.“ In: Computational Logic: Logic Programming and Beyond, pp. 231-252. Springer, Berlin, Heidelberg. 2002. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
D. Hutter, B. Langenstein, G. Rock, J. Siekmann, W. Stephan, and R. Vogt: „Formal software development in the Verification Support Environment (VSE).“ In: Journal of Experimental & Theoretical Artificial Intelligence, vol. 12 no. 4, pp. 383-406. 2000. |
 |
[su_button url=“http://siekmann.dfki.de/wp-content/uploads/2017/09/Formal-software-development-in-the-Verification-Support-Environment-VSE.txt“ target=“_blank“ background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
E. Melis, and J. Siekmann: „Knowledge-based proof planning.“ In: Artificial Intelligence, vol. 115 no. 1, pp. 65-105. Elsevier. 1999. |
 |
[su_button url=“http://siekmann.dfki.de/wp-content/uploads/2017/09/Knowledge-based-proof-planning.txt“ target=“_blank“ background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Beierle, C., Hedtstueck, U., Pletat, U., Schmitt, P. H., & Siekmann, J.: „An order-sorted logic for knowledge representation systems.“ In Artificial intelligence, 55(2-3), 149-191. 1992. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Baader, F., Bürckert, H.-J., Hollunder, B., Nutt, W. and Siekmann, J.: “Concept Logics” In J.W. Lloyd (Ed.), Computational Logic, 177-201, Symposium Proceedings, Brussels, Springer-Verlag, 1990. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Siekmann, Jörg H. „Unification theory.“ In Journal of Symbolic computation, 7(3-4), 207-274. 1989. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Siekmann, J., and Peter Szabó. „The undecidability of the DA-unification problem.“ In The Journal of Symbolic Logic, 54(2), 402-414. 1989. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Herold, Alexander, and Jörg H. Siekmann. „Unification in abelian semigroups.“ In Journal of Automated Reasoning, 3(3), 247-283. 1987. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Book, Ronald V., and Joerg H. Siekmann. „On unification: Equational theories are not bounded.“ In Journal of Symbolic Computation, 2(4), 317-324. 1983. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Siekmann, Jörg, and Graham Wrightson. „Automation of Reasoning: Classical Papers on Computational Logic, volume 1 and 2.“. 1983. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |
Siekmann, Jörg, and P. Szabó. „A noetherian and confluent rewrite system for idempotent semigroups.“ In Semigroup Forum (Vol. 25, No. 1, pp. 83-110). Springer New York, 1982. |
 |
[su_button background=“#ACCAEA“ size=“2″]BibTex[/su_button] |