Logic and proof software

This involves some sort of interactive proof editor, or other interface, with which a human can guide the search for proofs, the details of which are stored in, and some steps provided by, a computer. Educational logic software committee on logic education. Logic software from csli by jon barwise and john etchemendy. Enter a formula of standard propositional, predicate, or modal logic. Apply logic to specify and verify computing systems. Output and input format is xml to provide an easy interface to other applications. Gnu aris is a logical proof program that supports propositional and predicate logic, as well as boolean algebra and arithmetical logic, in the form of abstract. In computer science and mathematical logic, a proof assistant or interactive theorem prover is a software tool to assist with the development of formal proofs by. It supports zooming and scrolling and some basic proof modification functions to make a proof better readable. A set of online tutorials for the study of elementary logic covering propositional and predicate calculus. Before we explore and study logic, let us start by spending some time motivating this topic. To download dc proof and for a contact link, visit my homepage. The page will try to find either a countermodel or a tree proof a.

Java applet for web pages or java web start application. Language, proof and logic covers topics such as the boolean connectives, formal proof techniques, quantifiers, basic set theory, and. Send me a full list of your axioms and i will see what i can do to get you started. Language, proof, and logic is a textbook and software package, intended for use in undergraduate level logic courses. It is a backwardchaining reasoner enhanced with euler path detection. An interactive proof session in coqide, showing the proof script on the left and the proof. This is a demo of a proof checker for fitchstyle natural deduction systems found in many popular introductory logic textbooks. The specific system used here is the one found in forall x. Language, proof and logic is an educational software package, devised and written by jon barwise and john etchemendy, geared to teaching formal logic. Understand basic algorithms for formal verification. An online tutorial including sentential logic, predicate logic and quantifiers, methods of proof, and naive set theory. Software, theorem provers computer science swansea university. The ability to reason using the principles of logic is key to seek the truth which is our goal in mathematics.

Educational logic software committee on logic education of the. The text covers topics such as the boolean connectives, formal proof techniques, quantifiers, basic set theory, and induction. Language, proof and logic, second edition stanford university. In computer science and mathematical logic, a proof assistant or interactive theorem prover is a software tool to assist with the development of formal proofs by humanmachine collaboration.