> It's turtles all the way down -- we don't know what "truth" is, or how one can come to "know" truth > I've heard that our notion of truth is intimately tied

> It's turtles all the way down -- we don't know what "truth" is, or how one can come to "know" truth > I've heard that our notion of truth is intimately tied to our experience of physical reality It's been thousands of years since the first retorsion arguments were recorded, and yet I still see obviously self-refuting or self-undermining claims being made and quite often. Like these.