Generating proofs with spider diagrams using heuristics
Flower, Jean, Masthoff, Judith and STAPLETON, GEM (2004) Generating proofs with spider diagrams using heuristics In: 10th International Conference on Distributed Multimedia Systems, International Workshop on Visual Languages and Computing, Oak Brook, Illinois, USA.
Official URL: http://homepages.abdn.ac.uk/j.masthoff/pages/Publi...
We apply the A¤ algorithm to guide a diagrammatic theorem proving tool. The algorithm requires a heuristic function, which provides a metric on the search space. In this paper we present a collection of metrics between two spider diagrams. We combine these metrics to give a heuristic function that provides a lower bound on the length of a shortest proof from one spider diagram to another, using a collection of sound reasoning rules. We compare the effectiveness of our approach with a breadth- first search for proofs.
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