 Fictionalism was first introduced by Field (1980, 1989, 1998, 2016). Since then, the view has been developed—in a few different ways—by Balaguer (1996a, 1998a, 2001, 2009), Rosen (2001), Yablo (2002a, 2002b, 2005), Leng (2005a, 2005b, 2010), and Bueno (2009), though as will become clear below, one might question whether Bueno and Yablo are best interpreted as fictionalists. Others to endorse or defend fictionalism (or views in the neighborhood of fictionalism) include Daly (2006), Liggins (2010), Contessa (2016), and Plebani (2018). Finally, one might also interpret Melia (2000) as defending a fictionalist view, though he doesn’t really commit to this.