Reason, Justification, and Contractualism: Themes from Scanlon - Stepanians, Markus; Frauchiger, Michael; Forst, Rainer; Mantel, Susanne; Nagel, Thomas; Olsaretti, Serena; Parfit, Derek; Scanlon, T. M; Stemplowska, Zofia (Lauener library of analytical philosophy, 2021)