  Hacking 1979 and Peacocke 1987 are good representatives of the two versions of the inferential characterization approach discussed above. Popper’s papers (1946–7, 1947) are still worth reading; see Schroeder-Heister 1984 for critical discussion and Koslow 1999 for a modern approach reminiscent of Popper’s. See also Kneale 1956, Kremer 1988, Prawitz 1985 and 2005, Tennant 1987, ch. 9, Dummett 1991, ch. 11, Došen 1994, Hodes 2004, and Read 2010.