Brandom, Robert B.: Making it explicit: reasoning, representing, and discursive commitment. 4. print. Cambridge, Mass 2001. Internet: https://books.google.de/books?id=1ihqvEzZXxMC&printsec=frontcover&dq=Making+it+Explicit.&hl=de&sa=X&ved=0ahUKEwj_wfyop5rTAhVK6xQKHfFVDqwQ6AEIHDAA#v=onepage&q=Making%20it%20Explicit.&f=false.