Ignorance and Semantic Tableaux: Aliseda on Abduction

Abstract

This is an examination of similarities and differences between Atocha Aliseda’s semantic tableaux analysis of abduction and Dov Gabbay’s and the present author’s ignorance-preservation model of it. Also discussed is the suitability of these models for the analysis of the logical structure of legal reasoning.

Keywords

• abduction, explanation, ignorance-problem, ignorance-preservation, legal reasoning, semantic tableaux