"What makes it one or the other?" That's the question that devastates a positivist view of language. Language, it appears, only means anything within a particular context. More in the morning. It occurs to me just now as I'm signing off that most of the proposals for stron Artificial Intelligence rely on a positivist, propositional view of language. Need to think more about this.
Christopher Robinson & Joseph Duemer read Wittgenstein's Philosophical Investigations