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Using an extended PROLOG to solve the lion and unicorn puzzle

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Abstract

This paper presents a general approach to solve a constraint satisfaction problem over a finite domain by reducing it to unification in finite algebras. The lion and unicorn puzzle is considered as a constraint satisfaction problem and its implementation in an extended PROLOG is described.

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References

  1. Büttner, W., ‘Implementing Complex Domains of Application in an Extended PROLOG System’, to appear in International Journal of General Systems.

  2. Büttner, W., Estenfeld, K., Schmid, R., Schneider, H. A. and Tiden, Erik, ‘A General Framework for Symbolic Constraint Handling in PROLOG’, Internal Report Siemens AG, Munich.

  3. Ohlbach, H. J. and Schmidt-Schauß, M., ‘The Lion and the Unicorn’, J. Automated Reasoning 1 (3), 327–332 (1985).

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  4. Ramsey, B. D., SIGPLAN Notices, 21 (8), (1986).

  5. Smullyan, R., What is the Name of this Book? Prentice-Hall, Engelwood Cliffs, New Jersey (1978). quoted from [3].

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Authors and Affiliations

  1. Corporate Laboratories for Information Technology, Siemens AG, Otto-Hahn-Ring 6, D-8000, Munich 83, FRG

    Richard Schmid, Hans-Albert Schneider & Thomas Filkorn

Authors
  1. Richard Schmid
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  2. Hans-Albert Schneider
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  3. Thomas Filkorn
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Schmid, R., Schneider, HA. & Filkorn, T. Using an extended PROLOG to solve the lion and unicorn puzzle. J Autom Reasoning 5, 403–408 (1989). https://doi.org/10.1007/BF00248326

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  • DOI: https://doi.org/10.1007/BF00248326

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