Sentence:  Habermas, "e.g.", put forward that the legal discourse should not be understood as  a <WSD>special case</WSD> of the "moral" discourse because in law next to moral reasons there  are also ethical and pragmatic reasons to play a legitimate part (J. Habermas, "Between Facts and Norms", 230 ff.). 
Meaning of the word marked with <WSD> tags:  a class of phenomena that is a subset of a more general class