> We can't even properly define consciousness. There might be something fundamental preventing a definition to emerge. E.g., clearly, consciousness would have

> We can't even properly define consciousness. There might be something fundamental preventing a definition to emerge. E.g., clearly, consciousness would have to define itself. But that would make the definition-making process self-referential. Just look at the history of mathematics in the 19th and early 20th century and you'll see what sort of unpleasant things happen when self-referentiality rears its ugly head.