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Logic Journal of IGPL Advance Access originally published online on July 25, 2007
Logic Journal of IGPL 2007 15(4):293-304; doi:10.1093/jigpal/jzm020
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© The Author, 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Pandora: A Reasoning Toolbox using Natural Deduction Style

Krysia Broda, Jiefei Ma, Gabrielle Sinnadurai and Alexander Summers

Department of Computing, Imperial College London, South Kensington Campus, Exhibition Road, London SW7 2AZ, UK. E-mails: { kb{at}doc.ic.ac.uk, jm103{at}doc.ic.ac.uk, apgs{at}doc.ic.ac.uk, ajs300m{at}doc.ic.ac.uk}


  Abstract

Pandora is a tool for supporting the learning of first order natural deduction. It includes a help window, an interactive context sensitive tutorial known as the "e-tutor" and facilities to save, reload and export to LATEX. Every attempt to apply a natural deduction rule is met with either success or a helpful error message, providing the student with instant feedback. Detailed electronic logs of student usage are recorded for evaluation purposes. This paper describes the basic functionality, the e-tutor, our experiences of using the tool in teaching and our future plans.

Key Words: natural deduction • Fitch box proof • first order logic • predicate logic • teaching • learning • e-learning • reasoning about programs

Received for publication 18 May 2007.
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