Primiero, Giuseppe. 2010. “Constructive Contextual Modal Judgments For Reasoning From Open Assumptions”. In Proceedings of the Computability in Europe 2010 Conference, Proceedings of the Computability in Europe 2010 Conference, F Ferreira, Guerra, H, Mayordomo, E, and Rasga, J. Centre for Applied Mathematics and Information Technology, Department of Mathematics, University of Azores.