"Character (alone) Doesn't Count: Phenomenal Character and Narrow Intentional Content", 2015 in American Philosophical Quarterly.

Abstract: Proponents of phenomenal intentionality share a commitment that, for at least some paradigmatically intentional states, phenomenal character constitutively determines narrow intentional content. If this is correct, then any two states with the same phenomenal character will have the same narrow intentional content. Using a twin-earth style case, I argue that two different people can be in intrinsically identical phenomenological states without sharing narrow intentional contents. After describing and defending the case, I conclude by considering a few objections which help to further illustrate the problem.

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