TY - JOUR A1 - Walton, Douglas A1 - Gordon, Thomas F. T1 - Formalizing informal logic JF - Informal logic : reasoning and argumentation in theory and practics N2 - In this paper we investigate the extent to which formal argumentation models can handle ten basic characteristics of informal logic identified in the informal logic literature. By showing how almost all of these characteristics can be successfully modelled formally, we claim that good progress can be made toward the project of formalizing informal logic. Of the formal argumentation models available, we chose the Carneades Argumentation System (CAS), a formal, computational model of argument that uses argument graphs as its basis, structures of a kind very familiar to practitioners of informal logic through their use of argument diagrams. KW - informal logic KW - formal argumentation systems KW - real arguments KW - premise acceptability KW - conductive argument KW - RSA triangle KW - relevance KW - sufficiency Y1 - 2015 SN - 0824-2577 VL - 35 IS - 4 SP - 508 EP - 538 PB - Centre for Research in Reasoning, Argumentation and Rhetoric, University of Windsor CY - Windsor ER -