[coldtea]

>Truth is then the set of beliefs about the world that accurately model reality.

That's just one of the definitions of truth, and a quite naive one at that. Not just philosophy, even epistemology have not been using this for ages.

[Steven_Bukal]

It's a correspondence definition. And actually I understand correspondence has been one of the most popular theories of truth since Plato and Aristotle, continuing to the present.