A User Interface for a Mathematical System that Allows Ambiguous Formulae

Authors:
Claudio Sacerdoti Coen
Affiliations:
Department of Computer Science, University of Bologna, Mura Anteo Zamboni, 7 --- 40127 Bologna, Italy
Venue:
Electronic Notes in Theoretical Computer Science (ENTCS)
Year:
2009

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Abstract

Mathematical systems that understand the usual ambiguous mathematical notation need well thought out user interfaces 1) to provide feedback on the way formulae are automatically interpreted, when a single best interpretation exists; 2) to dialogue with the user when human intervention is required because multiple best interpretations exist; 3) to present sets of errors to the user when no correct interpretation exists. In this paper we discuss how we handle ambiguity in the user interfaces of the Matita interactive theorem prover and the Whelp search engine.