| 1. | LWB | | | Logics Workbench.
www.lwb.unibe.ch |
| 3. | PROTEIN | | | A PROver with a Theory Extension INterface. Theorem prover for first-order clause logic, written in ECRC's Prolog-dialect ECLiPSe. Free download, documentation.
www.uni-koblenz.de |
| 4. | Bertrand | | | First-order satisfiability checker and prover for the Macintosh.
www.humnet.ucla.edu |
| 6. | MUltseq | | | A generic sequent prover for propositional finitely-valued logics.
www.logic.at |
| 7. | MUltlog | | | Takes as input the specification of a finitely-valued first-order logic and produces a sequent calculus, a natural deduction system, and clause formation rules for this logic.
www.logic.at |
| 8. | Isabelle | | | A generic theorem proving environment developed at Cambridge University (Larry Paulson) and TU Munich (Tobias Nipkow). Includes logic, documentation and free download.
www.cl.cam.ac.uk |
| 9. | WinKE: A Proof Assistant for Teaching Logic | | | WinKE is an interactive proof assistant based on analytic tableaux, and designed for the teaching of deductive reasoning. Ordering information is available at this site, as are academic papers on the design of the software.
www.dcs.kcl.ac.uk |
| 10. | The Coq Project | | | Deals with effectively machine-checked formal mathematics. In practice, this includes the study of mathematical formalisms well-suited for implementations, the implementations themselves and the use of these for various applications. Focuses on software correctness proofs.
pauillac.inria.fr |
| 12. | LOOM | | | A language and environment for constructing intelligent applications. It is a research project in the Artificial Intelligence research group at the University of Southern California's Information Sciences Institute. The goal of the project is to develop and field advanced tools for knowledge representation and reasoning in Artificial Intelligence.
www.isi.edu |
| 13. | PVS | | | The PVS Specification and Verification System. Available for Sparc machines with Solaris 2 and Intel x86 Machines with Linux compatible with Redhat 5 or later. Required is Emacs (version 19 or later), recommended LaTeX and Tcl/Tk. Download by FTP.
pvs.csl.sri.com |
| 14. | Church | | | Program understands the different types of lambda expressions, can extract lists of variables (both free and bound) and subterms, and can simplify complicated by expression by means of application. Uses Python.
www.alcyone.com |
| 15. | Visual Turing | | | A graphical IDE for creating, running and debugging Turing machines. Freeware for Windows 95/98/NT/2000.
www.cheransoft.com |
| 16. | ACL2 Version 2.7 | | | A programming language in which you can model computer systems and a tool to help prove properties of those models. Available under GPL and runs on various platforms. Includes related download links.
www.cs.utexas.edu |
| 17. | Paradox | | | A tool that processes first-order logic problems and tries to find finite-domain models for them; written by Koen Claessen and Niklas Sörensson. Haskell and C++; free download under GPL.
www.cs.chalmers.se |
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