Abstract
We give a new simple proof of the decidability of the First Order Theory of \(({\omega}^{{\omega}^i},+)\) and the Monadic Second Order Theory of (ω i,<), improving the complexity in both cases. Our algorithm is based on tree automata and a new representation of (sets of) ordinals by (infinite) trees.
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References
Bedon, N.: Finite automata and ordinals. Theor. Comput. Sci. 156(1&2), 119–144 (1996)
Bedon, N.: Logic over words on denumerable ordinals. J. Comput. System Sci. 63(3), 394–431 (2001)
Bruyère, V., Carton, O., Sénizergues, G.: Tree automata and automata on linear orderings. In: Proceedings of WORDS 2003, TUCS Gen. Publ., Turku Cent. Comput. Sci., Turku, vol. 27, pp. 222–231 (2003)
Richard Büchi, J.: Weak second-order arithmetic and finite automata. Zeitschrift für mathematische Logik und Grundlagen der Mathematik 6, 66–92 (1960)
Richard Büchi, J.: On a decision method in restricted second order arithmetic. In: Proceedings of the 1960 International Congress on Logic, Methodology and Philosophy of Science, pp. 1–11. Stanford University Press (1962)
Richard Büchi, J.: Decision methods in the theory of ordinals. Bull. Amer. Math. Soc. 71, 767–770 (1965)
Cachat, T.: Higher order pushdown automata, the Caucal hierarchy of graphs and parity games. In: Baeten, J.C.M., Lenstra, J.K., Parrow, J., Woeginger, G.J. (eds.) ICALP 2003. LNCS, vol. 2719, pp. 556–569. Springer, Heidelberg (2003)
Carton, O., Rispal, C.: Complementation of rational sets on scattered linear orderings of finite rank. In: Farach-Colton, M. (ed.) LATIN 2004. LNCS, vol. 2976, pp. 292–301. Springer, Heidelberg (2004)
Caucal, D.: On infinite terms having a decidable monadic theory. In: Diks, K., Rytter, W. (eds.) MFCS 2002. LNCS, vol. 2420, pp. 165–176. Springer, Heidelberg (2002)
Comon, H., Dauchet, M., Gilleron, R., Jacquemard, F., Lugiez, D., Tison, S., Tommasi, M.: Tree automata techniques and applications (1997) (release October 1, 2002), Available on: http://www.grappa.univ-lille3.fr/tata
Delhommé, C.: Automaticité des ordinaux et des graphes homogènes. C. R. Math. Acad. Sci. Paris 339(1), 5–10 (2004)
Dershowitz, N.: Trees, ordinals and termination. In: Gaudel, M.-C., Jouannaud, J.-P. (eds.) CAAP 1993, FASE 1993, and TAPSOFT 1993. LNCS, vol. 668, pp. 243–250. Springer, Heidelberg (1993)
Grädel, E., Thomas, W., Wilke, T. (eds.): Automata, Logics, and Infinite Games. LNCS, vol. 2500. Springer, Heidelberg (2002)
Klaedtke, F.: On the automata size for Presburger arithmetic. In: Proceedings of the 19th Annual IEEE Symposium on Logic in Computer Science (LICS 2004), pp. 110–119. IEEE Computer Society Press, Los Alamitos (2004); A full version of the paper is available from the author’s web page
Kupferman, O., Vardi, M.Y.: An automata-theoretic approach to reasoning about infinite-state systems. In: Emerson, E.A., Sistla, A.P. (eds.) CAV 2000. LNCS, vol. 1855, pp. 36–52. Springer, Heidelberg (2000)
Maurin, F.: Exact complexity bounds for ordinal addition. Theoretical Computer Science 165(2), 247–273 (1996)
Nießner, F.: Nondeterministic tree automata. In: Grädel, et al. [13], pp. 135–152
Rabin, M.O.: Decidability of second-order theories and automata on infinite trees. Transactions of the American Mathematical Society 141, 1–35 (1969)
Reinhardt, K.: The complexity of translating logic to finite automata. In: Grädel, et al. (eds.) [13], pp. 231–238
Rosenstein, J.G.: Linear orderings. Academic Press Inc. [Harcourt Brace Jovanovich Publishers], New York (1982)
Sierpiński, W.: Cardinal and ordinal numbers, 2nd revised edn., Monografie Matematyczne, Państowe Wydawnictwo Naukowe, Warsaw, vol. 34 (1965)
Weyer, M.: Decidability of S1S and S2S. In: Grädel, et al. (eds.) [13], pp. 207–230
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Cachat, T. (2006). Tree Automata Make Ordinal Theory Easy. In: Arun-Kumar, S., Garg, N. (eds) FSTTCS 2006: Foundations of Software Technology and Theoretical Computer Science. FSTTCS 2006. Lecture Notes in Computer Science, vol 4337. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11944836_27
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DOI: https://doi.org/10.1007/11944836_27
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