“…For a mental state, "being a propositional attitude" simply designates the relation of having propositional content. 3 2 This view has been argued for by quite a number of people in a variety of ways recently, for instance Byrne 2009, Pautz 2009, Siegel 2010, Siegel 2011, Schellenberg 2011, and Glüer 2014. It has been argued against, too, for instance by Martin 2002, Travis 2004, Brewer 2006 It is, of course, a substantive and extremely interesting question what it precisely takes for a mental state to be a state having propositional content.…”