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The effective content of surreal algebra

Published online by Cambridge University Press:  12 March 2014

Jacob Lurie
Jacob Lurie*
Affiliation:
Department of Mathematics, Harvard University, Cambridge, MA 02138, USA, E-mail: lurie@husc.harvard.edu
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Abstract

This paper defines and explores the properties of several effectivizations of the structure of surreal numbers. The construction of one of previously investigated systems, the metadyadics, is shown to be effectively equivalent to the construction of the surreals in . This equivalence is used to answer several open questions concerning the metadyadics. Results obtained seem to indicate that the metadyadics best capture the notion of a recursive surreal number.

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 63 , Issue 2 , June 1998 , pp. 337 - 371
Copyright
Copyright © Association for Symbolic Logic 1998

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References

REFERENCES

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