Article outline

• 0.1The nature of negation – At the crossroads between truth-value operator and speech act
• 0.2The asymmetry of negation – A history beyond binary relations
• 0.3The markedness of negation: A cognitive challenge and informative unexpectedness
• 0.4Metalinguistic negation
• 0.5Negation as marker of polyphony and a tool for argumentation
• 0.6Summary of the chapters in this volume
• Notes