Normative entanglement: The linguistic trap at the heart of realist rhetoric

Someone recently presented me with the following syllogism, which is intended to serve as an argument for moral realism:

P1. If moral realism is false then slavery is not wrong.

P2. Slavery is wrong.

C. Moral realism is true.

I opted to share the response I will share with them as a blog post, which will allow me to revisit the problem of normative entanglement. This notion is worth revisiting, because I believe it is one of the central pillars in popping up the appeal of moral realism through illegitimate distortions of ordinary language. At any rate, here is my response: