## 2010.3: Uniformity principle for $\Sigma$-definability

2010.3:
Korovina Margarita and Kudinov Oleg
(2009)
*Uniformity principle for $\Sigma$-definability.*
Journal of Logic and Computation, 19 (1).
pp. 159-174.
ISSN 0955-792X

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## Abstract

The main goal of this research is to develop logical tools and techniques for effective reasoning about continuous data based on $\Sigma$-definability. In this article we invent the Uniformity Principleand prove it for $\Sigma$-definability over the real numbers extended by open predicates. Using the Uniformity Principle, we investigate different approaches to enrich the language of {Sigma}-formulas in such a way that simplifies reasoning about computable continuous data without enlarging the class of $\Sigma$-definable sets. In order to do reasoning about computability of certain continuous data we have to pick up an appropriate language of a structure representing these continuous data. We formulate several major conditions how to do that in a right direction. We also employ the Uniformity Principleto argue that our logical approach is a good way for formalization of computable continuous data in logical terms.

Item Type: | Article |
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Uncontrolled Keywords: | CICADA,$\Sigma$-Definability, Uniformity Principle, effective reasoning about continuous data, continuous data types, computable analysis |

Subjects: | MSC 2000 > 03 Mathematical logic and foundations MSC 2000 > 68 Computer science |

MIMS number: | 2010.3 |

Deposited By: | Dr Margarita Korovina |

Deposited On: | 08 January 2010 |

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