@MISC{Bertot94proofby, author = {Yves Bertot and Gilles Kahn and Laurent Thery}, title = {Proof by Pointing}, year = {1994} }
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Abstract
This paper presents a principle for using locations in logical expressions to guide the process of building proofs. Using a sequentstyle presentation of theorem provers, we annotate the inference rules to specify an algorithm that associates the construction of a proof tree to a location within a goal sequent. This principle provides a natural and effective use of the mouse in the user-interface of computer proof assistants. The implementation of the algorithm in a variety of theorem provers is discussed.