Mortensen, C.2007-09-082007-09-082003Relevant logics and their rivals, Volume II - a continuation of the work of Richard Sylvan, Robert Meyer, Val Plumwood and Ross Brady, 2003, pp.254-2620754611132http://hdl.handle.net/2440/38122enClosed Set LogicBook chapter002007146748360Mortensen, C. [0009-0001-3942-2126]