Assumption
An assumption is an atom of an ABAF. Each assumption has a contrary .
Reference
Čyras, K., Fan, X., Schulz, C. & Toni, F. (2018). Assumption-Based Argumentation: Disputes, Explanations, Preferences. In: Baroni, P., Gabbay, D., Giacomin, M. & van der Torre, L. (eds.), Handbook of Formal Argumentation, Vol. 1, Chapter 7, pp. 365–408. College Publications.