# * Formalizing Constructive Real Analysis *

## by Max B. Forester

1993

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- Tech Report TR93-1382 with PDF & PS versions: http://ecommons.cornell.edu/handle/1813/6156

**Abstract**

This paper arises from a project with the Nuprl Proof Development System which involved formalizing parts of real analysis, up through the intermediate value theorem. Extensive development of the rational library was required as the real library was being built, resulting in the addition of about 125 rational theorems. The real library now contains about 150 theorems and includes enough basic results that further extensions of the library should be quite feasible. This paper aims to illustrate how higher mathematics can be implemented in a system like Nuprl, and also to introduce system users to the library.

**bibTex ref: For93**

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