Implementing Proof by Pointing without a Structure Editor

Abstract : A proof by pointing user interface component allows a user to direct the course of a proof assistant by selecting terms with a mouse. Such a gesture is interpreted as a high-level tactical which triggers a sequence of low-level basic commands for the proof engine. The algorithm inherently relies on a structure-conscious environment; as a novelty we show how proof-by-pointing may easily be integrated into an interface without a structure editor. We discuss in detail the use of nested selectable text regions for user interaction, the modifications necessary to the proof-engine output, and the algorithm for interpreting selections as proof commands, with particular reference to a concrete implementation using XEmacs and LEGO.
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https://hal.inria.fr/inria-00073402
Contributor : Rapport de Recherche Inria <>
Submitted on : Wednesday, May 24, 2006 - 12:43:00 PM
Last modification on : Monday, September 3, 2018 - 10:56:02 AM
Long-term archiving on : Sunday, April 4, 2010 - 11:45:20 PM

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  • HAL Id : inria-00073402, version 1

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Yves Bertot, Thomas Kleymann-Schreiber, Dilip Sequeira. Implementing Proof by Pointing without a Structure Editor. RR-3286, INRIA. 1997. ⟨inria-00073402⟩

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