TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
In Mizar, unlike in most other proof assistants, the types are not part of the foundations of the system. Mizar is based on untyped set theory, which means that in Mizar expression...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract We present the generic system framework of Isabelle/Isar underlying recent versions of Isabelle. Among other things, Isar provides an infrastructure for Isabelle plug-ins,...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract. This paper introduces the logical system HOL2P that extends classical higher order logic (HOL) with type operator variables and universal types. HOL2P has explicit term o...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
This paper concerns the formal semantics of programming languages, and the specification and verification of software. We are interested in the verification of real programs, wr...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract. In this proof pearl, we demonstrate the power of higherorder encodings in the logical framework Twelf[PS99] by investigating proofs about an algorithmic specification of...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract. Interactive proof assistants should verify the proofs they receive from automatic theorem provers. Normally this proof reconstruction takes place internally, forming part...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Placing our result in a web of related mechanised results, we give a direct proof that the de Bruijn λ-calculus (`a la Huet, Nipkow and Shankar) is isomorphic to an α-quotiented ...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE
Formal, modular, and mechanized verification of realistic systems code is desirable but challenging. Verification of machine context management (a basis of multi-tasking) is one ...
TPHOL
2007
IEEE
14 years 6 months ago
2007
IEEE