Perhaps one difficulty that can be raised for Stroud, is that while he thinks there is something inherently problematic in making a claim about how the world must be as a condition for our thought or experience, he does not think that there is anything particularly problematic about claiming that our thought or experience is a necessary condition for some other aspect of our thought or experience – indeed, he exploits such claims himself in his own arguments against the skeptic (cf. Stroud 1994