Evaluation of Plato's thought

A.J Ayer: 

He believed that when we say something is either 'good' or 'bad' we are simply expressing our own emotional reaction to it, and we are not referring to any innate knowledge. 

Richard Dawkins: 

He claims that it is nonsense to talk of a transcendent 'other world' beyond the physical world, and beyond time and space 

Aristotle:

He criticised this theory. On the grounds that it becomes ridiculous when pushed to…