Abstract
In [19] we introduced a graphical representation of quantifier-free predicate calculus formulas and a new rule of inference which employs this representation. The new rule is an amalgamation of resolution and Prawitz analysis, which we call path resolution.
Some (but not all) path resolution operations allow the deletion of some links used in the inference and yet preserve the spanning property. We characterize those situations in which links may be so deleted. A spanning-preserving restriction on the inheritance of certain links is also developed.
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Murray, N.V., Rosenthal, E. (1986). On deleting links in semantic graphs. In: Calmet, J. (eds) Algebraic Algorithms and Error-Correcting Codes. AAECC 1985. Lecture Notes in Computer Science, vol 229. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-16776-5_745
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DOI: https://doi.org/10.1007/3-540-16776-5_745
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