Are You a Bolsman Brain?

If you're boltsman brain, then all your memories and thoughts are false rathegist. They're not based on real experiences or insight into a real universe. So if you're a boltsman brain,then you shouldn't trust any of your ideas - including the idea of boltsman brains. It could be that it is true,. But youhave no basis for believing that it's true just because you're thinking it, right? T he says, if you reason yourself into believing that you live in such a universe with boltsman brains, you have to conclude that you have no justification for accepting your own reasoning as unreliable.