Quote Originally Posted by AdrianII
This is part of Wittgenstein's two-tier definition of 'the world' and definitions can not be refuted.
Stipulative definitions cannot, but lexical definitions and definitions in use (I'm using A.J. Ayer's term here) can. I'm not smart enough or familar enough with LW's work to know whether this is stipulative or not, but doesn't he even say later in the Tractatus that this is nonsense?