ACL2 Version 2. 7 «
http://www.cs.utexas.edu/users/moore/acl2/ | | 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. |
Automated Reasoning Project «
http://cslab.anu.edu.au/ar/ | | Web resource provided by research group. includes access to software developed by the team , coverering such projects as finder (finite domain enumerator) , magic (matrix generator for implication connectives) and kripke (a theorem prover for the relevant |
Bertrand «
http://www.uwosh.edu/faculty_staff/herzberg/Bertrand.html | | Bertrand solves sets of first-order predicate logic statements for satisfiability (consistency) , validity , and equivalence. it also checks single statements for " logical truth" (tautology) and " logical falsity" (self-contradiction). |
Church «
http://www.alcyone.com/software/church/ | | Program understands the different types of lambda expressions , can extract lists of variables (both free and bound) and subterms , and can simplify complicated expressions. uses python. |
CrocoPat: Simple and Efficient Relational Programming «
http://mtc.epfl.ch/~beyer/CrocoPat/ | | Crocopat manipulates relations of any arity , including graphs (which are binary relations). its simple and expressive query and manipulation language is based on first-order predicate calculus. the implementation is based on the data structure binary deci |
Database of Existing Mechanized Reasoning Systems «
http://www-formal.stanford.edu/clt/ARS/systems.html | | A list (> 50 entries) of automatic resolution provers (like otter) , interactive provers (like pvs) and other mechanized reasoning tools. |
DC Proof Online «
http://www.dcproof.com | | New proof-writing software to teach the fundamentals of logic and proof. enables users/students to write error-free proofs by selecting rules of inference , axioms , etc. from convenient drop-down menus. includes tutorial and exercises. |
DELORES «
http://www.dfki.uni-kl.de/~miller/delores/ | | A forward-chaining reasoning engine for defeasible logic , a less expressive but more efficient nonmonotonic logic. |
Gateway to Logic «
http://logik.phl.univie.ac.at/~chris/formular-uk.html | | A collection of web-based logic programs offering a number of logical functions: interactively or automatically build proofs , check theorems , and operate on propositional logic formulae. |
Isabelle «
http://www.cl.cam.ac.uk/Research/HVG/Isabelle/ | | A generic theorem proving environment developed at cambridge university (larry paulson) and tu munich (tobias nipkow). includes logic , documentation and free download. |
j'Imp Theorem Prover «
http://www.functologic.com/logic/jImp.html | | An automatic theorem prover based on set of support and ordered resolution for first-order logic. j'imp is part of the orbital library. this library is a java class providing object-oriented representations and algorithms for logic , mathematics , and arti |
llprover «
http://bach.scitec.kobe-u.ac.jp/llprover/ | | A linear logic prover that searches a cut-free proof for the given two-sided sequent of first-order linear logic. |
Logic Software from CSLI «
http://www-csli.stanford.edu/hp/Logic-software.html | | By jon barwise and john etchemendy. |
LOOM «
http://www.isi.edu/isd/LOOM/LOOM-HOME.html | | 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 |
LWB «
http://www.lwb.unibe.ch/ | | Logics workbench. |
