It is widely held by philosophers not only that there is a causal condition on perception but
also that the causal condition is a conceptual truth about perception. One influential line of
argument for this claim is based on intuitive responses to a style of thought experiment
popularized by Grice. Given the significance of these thought experiments to the literature, it
is important to see whether the folk in fact respond to these cases in the way that
philosophers assume they should. We test folk intuitions regarding the causal theory of …

We appreciate the time and effort given by Schwenkler and Fischer in providing responses
to our Ergo article,'Folk Intuitions about the Causal Theory of Perception'(2016). Both raise a
number of interesting issues. Here we will only address some of them. In Part I, we address
a concern of Schwenkler's regarding the empirical approach we used and touch on a
concern raised by both commentators involving necessary and sufficient conditions; in Part
II, we address a worry of both commentators concerning the polysemous nature of 'see;'in …