This book constitutes the refereed proceedings of the second International Workshop on the
Theory and Applications of Formal Argumentation TAFA 2013 held in Beijing China in August
2013. The Workshop was co-located with IJCAI 2013. The 15 revised full papers presented were
carefully reviewed and selected from 22 submissions. The papers are organized in topical
sections such as abstract argumentation frameworks social abstract argumentation with votes on
attacks a normal form of argumentation frameworks assumption-based argumentation argument
schemes for normative practical reasoning.