Abstract
This paper compares a first-order theory of ordinals proposed by the author to the theory published 1965 by Gaisi Takeuti. A clarification of the relative deductive strength of the two theories is obtained.
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References
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Schmitt, P.H. (2020). Two First-Order Theories of Ordinals. In: Blass, A., Cégielski, P., Dershowitz, N., Droste, M., Finkbeiner, B. (eds) Fields of Logic and Computation III. Lecture Notes in Computer Science(), vol 12180. Springer, Cham. https://doi.org/10.1007/978-3-030-48006-6_17
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DOI: https://doi.org/10.1007/978-3-030-48006-6_17
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