@Night Ripper,
Night Ripper;157910 wrote:I don't understand your notation. Can you put your argument in plain English so I can actually determine if it even makes sense or is just another attempt at obfuscation by you?
We just assume an instance of "all moral truths are relative," namely, a proposition that is true in one framework and false in another (MMR). Then by the Law of Excluded middle (P or ~P) we refute the initial premise. Reductio ad absurdum.