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Oliver: an OnLine Inference and VERification system

by A. Wildenberg and C. Scharff, Frontiers in Education (FIE02), Boston, Massachusets, October 2002.



We describe Oliver, the Online inference and verification system for propositional logic. It provides a web-based interface for teaching propositional logic proofs, and accepts any valid direct proof. Oliver provides instant feedback to students as to whether each step is correct or not, encourages experimentation by students and is integrated within the WeBWorK system for online grading and support. Oliver randomizes problems for students to reduce plagiarism and cheating. It has been successfully used to teach propositional logic to several thousand students at SUNY Stony Brook, and is very popular among students and faculty.
You know we're constantly taking. We don't make most of the food we eat, we don't grow it, anyway. We wear clothes other people make, we speak a language other people developed, we use a mathematics other people evolved and spent their lives building. I mean we're constantly taking things. It's a wonderful ecstatic feeling to create something and put it into the pool of human experience and knowledge. -- Steve Jobs, Rolling Stone, November 1983.