Logic and proof software

Before we explore and study logic, let us start by spending some time motivating this topic. Language, proof and logic, second edition stanford university. It supports zooming and scrolling and some basic proof modification functions to make a proof better readable. 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. The ability to reason using the principles of logic is key to seek the truth which is our goal in mathematics. A set of online tutorials for the study of elementary logic covering propositional and predicate calculus.

The text covers topics such as the boolean connectives, formal proof techniques, quantifiers, basic set theory, and induction. 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. The specific system used here is the one found in forall x. Java applet for web pages or java web start application. Educational logic software committee on logic education of the. Enter a formula of standard propositional, predicate, or modal logic. Language, proof and logic is an educational software package, devised and written by jon barwise and john etchemendy, geared to teaching formal logic. Language, proof and logic covers topics such as the boolean connectives, formal proof techniques, quantifiers, basic set theory, and. Educational logic software committee on logic education. 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. This is a demo of a proof checker for fitchstyle natural deduction systems found in many popular introductory logic textbooks. The page will try to find either a countermodel or a tree proof a.

An interactive proof session in coqide, showing the proof script on the left and the proof. Send me a full list of your axioms and i will see what i can do to get you started. Apply logic to specify and verify computing systems. It is a backwardchaining reasoner enhanced with euler path detection. To download dc proof and for a contact link, visit my homepage. Understand basic algorithms for formal verification.