The normativist and anti-normativist may operate with different concepts of semantic correctness.

This strand in the debate might seem to suggest that behind the discussion of the simple argument lies nothing but a basic clash of intuitions. The anti-normativist denies what the normativist asserts—that the concept of semantic correctness is an essentially normative concept. A possible conclusion, therefore, is that the normativist and the anti-normativist operate with different concepts of semantic correctness. This raises the question, however, whether there is nevertheless co-extensionalit