So, here's a question. In the field of "non-linguistic thought" what value does the possibility of developing a concept of 'truth' serve?
Well, supposing again I'm a feral mango-eating child, I think I would eat the one with flavor X and be unsurprised, then eat the one that tastes like a squirrel and be absolutely shocked. I might doubt that all mangoes taste like X. Or I might form a new concept of a set of objects that look like mangoes but taste like squirrels!Exactly, a new concept of 'mangos' that taste like squirrels. What would be identifiable as untrue about a mango that tastes like squirrels? The squirrel tasting mango is the squirrel tasting mango. The two can be compared, the mangoey tasting mango and the squirrely tasting mango, but what would lead this lone feral mango-eating child to think of truth in relation to the mangos? I can't find any reason.
What I was more or less trying to get at in my previous post was this: true/false has no value outside of language. There's simply no purpose to it. Think of presenting the same feral child with two trees, one plastic and one a 'real' tree. How could the plastic tree be identified as the imposter? Why couldn't the 'real' tree be the imposter? I'd say they are both 'trees' to the feral child with some shared properties, but each with its own set of unique properties.
But even this seems to fail. Das ding ist das ding. What's beyond the physical reality of the tree that does not require communication with others?