3. Arguments and interaction 3.1. Preliminaries: reasoning in interaction 3.2. Scope and limits of interactive reasoning 3.2.1. Discursive dilemmas 3.2.2. Informational cascades 3.2.3. Disagreement 3.2.4. Polarization 3.2.5. Conspiracy Theories 3.3. The relevance of arguments in interactive reasoning 3.4. Arguments in the public domain