Frank Zenker.- Part 1.- The Bayesian Approach to Argumentation.- Chapter 1. Testimony and A Bayesian Ulrike Hahn, Mike Oaksford and Adam J.L. Harris.- Chapter 2. Why are we convinced by the Ad Hominem Argument?: Source Reliability or Mike Oaksford and Ulrike Hahn.- Part 2. The Legal Domain.-Chapter 3. A survey of uncertainties and their consequences in Probabilistic Legal Matthias Grabmair and Kevin D. Ashley.- Chapter 4. What went wrong in the case of Sally Clark? A case-study of the use of Statistical Evidence in Amid Pundik.- Part 3. Modeling Rational Agents.- Chapter 5. A Bayesian Simulation Model of Group Erik J. Olsson.- Chapter 6. Degrees of Justification, Bayes' Rule, and Gregor Betz.- Chapter 7. Argumentation with (Bounded) Rational Robert van Rooij and Kris de Jaeghery.- Part 4. Theoretical Issues.- Chapter 8. Reductio, Coherence, and the Myth of Epistemic Tomoji Shogenji.- Chapter 9. On Argument Niki Pfeifer.- Chapter 10.- Upping the Stakes and the Preface Jonny Blamey.- References.