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JSYML
2002

Groundwork for Weak Analysis

9 years 6 months ago
Groundwork for Weak Analysis
Abstract. This paper develops the very basic notions of analysis in a weak secondorder theory of arithmetic BTFA whose provably total functions are the polynomial time computable functions. We formalize within BTFA the real number system and the notion of a continuous real function of a real variable. The theory BTFA is able to prove the intermediate value theorem, wherefore it follows that the system of real numbers is a real closed ordered field. In the last section of the paper, we show how to interpret the theory BTFA in Robinson's theory of arithmetic Q. This fact entails that the elementary theory of the real closed ordered fields is interpretable in Q.
António M. Fernandes, Fernando Ferreira
Added 22 Dec 2010
Updated 22 Dec 2010
Type Journal
Year 2002
Where JSYML
Authors António M. Fernandes, Fernando Ferreira
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