This manual is a reference manual for version 5 of the Nuprl proof development system. As
the Nuprl system is constantly under development, this manual will always be incomplete. In …

The Nuprl Proof Development System, Version 4.2 Reference Manual and User's Guide Page
1 The Nuprl Proof Development System, Version 4.2 Reference Manual and User's Guide …

This paper describes an implementation within Nuprl of mechanisms that support the use of
Nuprl's type theory as a language for constructing theorem-proving procedures. The main …

Nuprl is an interactive theorem proving system in the LCF tradition. It has a higher order
logic and a very expressive type theory; the type theory includes dependent function types …

PVS stands for “Prototype Verification System,” and as the name suggests, it is a prototype
environment for specification and verification. This document is a reference manual for the …

PVS is a Prototype Verification System for the development and analysis of formal
specifications. The PVS system primarily consists of a specification language, a parser, a …

There are two ways of reasoning about functional programs in the constructive type theory of
the Nuprl proof development system. Nuprl can be used in a conventional program …

If a large-scale software system is to be dependable and maintainable it must be correct.
That is, it must satisfy its specification. Unfortunately, ensuring correctness typically requires …

According to Tarski's semantics, the denotation of a sentence in the classical predicate
calculus with respect to a model is its truth value in that model. In this paper we associate …