TU Wien Informatics

20 Years

Christian Fermüller

Ao.Univ.Prof. Dipl.-Ing. Dr.techn.

Research Focus

Research Areas

  • Fuzzy Logic, Automated Deduction, Proof Theory, Computational Logic, Artificial Intelligence
Christian Fermüller

About

1) Theoretical Computer Science 2) Artificial Intelligence 3) Automated Deduction 4) Natural Language Processing 5) Logic and Foundations of Mathematics 6) Mathematical Fuzzy Logic 7) Computational Intelligence 8) Formal Models of Reasoning Under Vagueness 9) Proof Theory and Proof Search in Non-Classical Logics

Role

2024

  • Games in Logic / Fermüller, C. (2024, January 15). Games in Logic [Conference Presentation]. World logic day 2024, Wien, Austria.
    Project: LoDEx (2024–2026)

2023

2022

2021

2020

  • Interpreting Propositional Fuzzy Logics via Imperfect Information Games / Fermüller, C., & Majer, O. (2020). Interpreting Propositional Fuzzy Logics via Imperfect Information Games. In 2020 IEEE 50th International Symposium on Multiple-Valued Logic (ISMVL). 2020 IEEE 50th International Symposium on Multiple-Valued Logic (ISMVL), Miyazaki, Japan. IEEE Computer Society. https://doi.org/10.1109/ismvl49045.2020.00006
  • From Truth Degree Comparison Games to Sequents-of-Relations Calculi for Gödel Logic / Fermüller, C., Lang, T., & Pavlova, A. (2020). From Truth Degree Comparison Games to Sequents-of-Relations Calculi for Gödel Logic. In Information Processing and Management of Uncertainty in Knowledge-Based Systems (pp. 257–270). Springer. https://doi.org/10.1007/978-3-030-50146-4_20
  • On fuzzification mechanisms for unary quantification / Baldi, P., Fermüller, C. G., & Hofer, M. F. J. (2020). On fuzzification mechanisms for unary quantification. Fuzzy Sets and Systems, 388, 90–123. https://doi.org/10.1016/j.fss.2019.12.009

2019

2018

2017

  • Hintikka Style Game Rules for Semi-Fuzzy Quantifiers / Fermüller, C. G., & Hofer, M. (2017). Hintikka Style Game Rules for Semi-Fuzzy Quantifiers. In 2017 IEEE 47th International Symposium on Multiple-Valued Logic (ISMVL 2017), Novi Sad, Serbia, May 22-24, 2017. IEEE 47th International Symposium on Multiple-Valued Logic (ISMVL) 2017, Novi Sad, Serbia. IEEE. https://doi.org/10.1109/ISMVL.2017.57
    Download: PDF (282 KB)
  • Querying with Vague Quantifiers Using Probabilistic Semantics / Fermüller, C., Hofer, M., & Ortiz, M. (2017). Querying with Vague Quantifiers Using Probabilistic Semantics. In H. Christiansen, H. Jaudoin, P. Chountas, T. Andreasen, & H. L. Larsen (Eds.), Flexible Query Answering Systems : 12th International Conference, FQAS 2017, London, UK, June 21–22, 2017, Proceedings. Springer Cham. https://doi.org/10.1007/978-3-319-59692-1_2
    Download: PDF (573 KB)
  • Interpreting Sequent Calculi as Client-Server Games / Fermüller, C. G., & Lang, T. (2017). Interpreting Sequent Calculi as Client-Server Games. In R. Schmidt (Ed.), Automated Reasoning with Analytic Tableaux and Related Methods 26th International Conference, TABLEAUX 2017, Brasília, Brazil, September 25–28, 2017, Proceedings (pp. 98–113). Springer. https://doi.org/10.1007/978-3-319-66902-1_6
  • Connecting Argumentation, Incompatibility Semantics, Nmatrices, and Relevance Logics / Fermüller, C. (2017). Connecting Argumentation, Incompatibility Semantics, Nmatrices, and Relevance Logics. ISRALOG 2017, Haifa, Israel, Non-EU. http://hdl.handle.net/20.500.12708/86560
  • Connecting fuzzy logic and argumentation frames via logical attack principles / Fermüller, C. (2017). Connecting fuzzy logic and argumentation frames via logical attack principles. ManyVal 2017, Toulouse, Frankreich, EU. http://hdl.handle.net/20.500.12708/86559
  • A logical perspective on argumentation / Fermüller, C. (2017). A logical perspective on argumentation. Metaphor and Argumentation, Cagliari, Italy, EU. http://hdl.handle.net/20.500.12708/86535
  • From Semi-fuzzy to Fuzzy Quantifiers via Lukasiewicz Logic and Games / Baldi, P., & Fermüller, C. (2017). From Semi-fuzzy to Fuzzy Quantifiers via Lukasiewicz Logic and Games. In Proceedings of: EUSFLAT-2017 (pp. 112–124). http://hdl.handle.net/20.500.12708/57214
  • Logical Argumentation Principles, Sequents, and Nondeterministic Matrices / Corsi, E. A., & Fermüller, C. G. (2017). Logical Argumentation Principles, Sequents, and Nondeterministic Matrices. In A. Baltag (Ed.), Logic, Rationality, and Interaction (pp. 422–437). Springer. https://doi.org/10.1007/978-3-662-55665-8_29

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

  • Model Representation over Finite and Infinite Signatures / Fermüller, C., & Pichler, R. (2007). Model Representation over Finite and Infinite Signatures. Journal of Logic and Computation, 17(3), 453–477. https://doi.org/10.1093/logcom/exm008
  • Monadic fragments of Gödel logics: decidability and undecidability / Baaz, M., Ciabattoni, A., & Fermüller, C. (2007). Monadic fragments of Gödel logics: decidability and undecidability. Lecture Notes in Computer Science, 4790, 77–91. http://hdl.handle.net/20.500.12708/168724
  • Monadic Fragments of Gödel Logics: Decidability and Undecidability Results / Baaz, M., Ciabattoni, A., & Fermüller, C. (2007). Monadic Fragments of Gödel Logics: Decidability and Undecidability Results. In N. Dershowitz & A. Voronkov (Eds.), Logic for Programming, Artificial Intelligence, and Reasoning (LNAI 4790) (pp. 77–91). Springer. https://doi.org/10.1007/978-3-540-75560-9_8
  • Monadic fragments of Gödel logics: decidability and undecability results / Baaz, M., Ciabattoni, A., & Fermüller, C. (2007). Monadic fragments of Gödel logics: decidability and undecability results. 14th International Conference on Logic for Programming Artificial Intelligence and Reasoning 2007, Erivan, Armenia, Non-EU. http://hdl.handle.net/20.500.12708/118584
  • Logische Dialogspiele als formale Semantik / Fermüller, C. (2007). Logische Dialogspiele als formale Semantik. Institute Vienna Circle, Wien, Austria. http://hdl.handle.net/20.500.12708/84623
  • Games in logic and logic in games / Fermüller, C. (2007). Games in logic and logic in games. Institute Vienna Circle, Wien, Austria. http://hdl.handle.net/20.500.12708/84622
  • Some Remarks on Imprecise Truth Values / Fermüller, C. (2007). Some Remarks on Imprecise Truth Values. “Two and beyond”, KGS Workshop on Fuzzy Logic and Proof Theory, Barcelona, Spain, EU. http://hdl.handle.net/20.500.12708/84621
  • Interpreting interval based fuzzy logics / Fermüller, C. (2007). Interpreting interval based fuzzy logics. Analytic Proof Systems 3, 3rd International Workshop on Analytic Proof Systems, Yerevan, Armenia, Non-EU. http://hdl.handle.net/20.500.12708/84620
  • Fuzzy Logic and Theories of Vagueness / Fermüller, C. (2007). Fuzzy Logic and Theories of Vagueness. Fuzzy Logic Seminar of the CAS, Institute of Computer Science, Prague, Czech Republic, EU. http://hdl.handle.net/20.500.12708/84619
  • Dialogue games as foundations of fuzzy logics / Fermüller, C. (2007). Dialogue games as foundations of fuzzy logics. 3rd Moscow-Vienna Workshop on Logic and Computation, Moskow, Austria. http://hdl.handle.net/20.500.12708/84618
  • Vagueness as semantic indeterminacy: three bridges between probability and fuzzy logic / Fermüller, C. (2007). Vagueness as semantic indeterminacy: three bridges between probability and fuzzy logic. Fuzzy Sets, Probability, and Statistics -- Gaps and Bridges, 28th Linz Seminar on Fuzzy Sets, Linz, Austria. http://hdl.handle.net/20.500.12708/84611
  • Exploring Dialogue Games as Foundation of Fuzzy Logic / Fermüller, C. (2007). Exploring Dialogue Games as Foundation of Fuzzy Logic. In M. Stepnicka, V. Novak, & U. Bodenhofer (Eds.), New Dimensions in Fuzzy Logic and Related Technologies (pp. 437–444). http://hdl.handle.net/20.500.12708/51903
  • Fuzzy Logic and Theories of Vagueness / Fermüller, C. (2007). Fuzzy Logic and Theories of Vagueness. In New Dimensions in Fuzzy Logic and Related Technologies (p. 17). http://hdl.handle.net/20.500.12708/51893

2006

2005

  • Uniform Rules and Dialogue Games for Fuzzy Logics / Ciabattoni, A., Fermüller, C., & Metcalfe, G. (2005). Uniform Rules and Dialogue Games for Fuzzy Logics. In F. Baader & A. Voronkov (Eds.), Logic for Programming, Artificial Intelligence, and Reasoning (pp. 496–510). Springer. http://hdl.handle.net/20.500.12708/50977
  • The Resolution Principle / Leitsch, A., & Fermüller, C. (2005). The Resolution Principle. In D. M. Gabbay & F. Guenthner (Eds.), Handbook of Philosophical Logic, 2nd ed., Volume 12 (pp. 87–173). Springer. http://hdl.handle.net/20.500.12708/25357
  • The Enigma of Quantifying Vague Information / Fermüller, C. (2005). The Enigma of Quantifying Vague Information. The Logic of Soft Computing~IV and 4th ERCIM, Ostrava, Czech Republic, Austria. http://hdl.handle.net/20.500.12708/84452
  • Decision Procedure and Model Building Based on Hypersequent Calculi / Fermüller, C. (2005). Decision Procedure and Model Building Based on Hypersequent Calculi. LPAR Workshop on Analytic Proof Systems, Montevideo, Uruguay, Austria. http://hdl.handle.net/20.500.12708/84453
  • From classical to many-valued reasoning via dialogue games / Fermüller, C. (2005). From classical to many-valued reasoning via dialogue games. Second Florence-Vienna Workshop on Logic and Computation, Florence, Italy, Austria. http://hdl.handle.net/20.500.12708/84451
  • From classical to many-valued reasoning via dialogue games / Fermüller, C. (2005). From classical to many-valued reasoning via dialogue games. Dpt. of Computer Sciences, Czech Academy of Sciences, Prague, Cech Republic, Austria. http://hdl.handle.net/20.500.12708/84450
  • Analytic Systems and Dialogue Games / Fermüller, C. (2005). Analytic Systems and Dialogue Games. In B. Beckert (Ed.), TABLEAUX 2005, Position Papers and Tutorial Descriptions (pp. 43–52). Fachberichte Informatik. http://hdl.handle.net/20.500.12708/51135
  • Model Representation via Contexts and Implicit Generalizations / Fermüller, C., & Pichler, R. (2005). Model Representation via Contexts and Implicit Generalizations. In Automated Deduction - CADE-20 (pp. 409–423). Springer Science + Business Media. http://hdl.handle.net/20.500.12708/51026

2004

2002