In the past decade, Phenomenal Intentionality Theories (PITs), which state that intentionality is ultimately grounded in phenomenal properties, have become a prominent alternative to “tracking” approaches to intentional content, such as causal or teleosemantic theories. I argue that strong versions of PIT cannot successfully account for identity between intentional contents. This is a problem because it is desirable for a theory of intentionality to be able to account for sameness and difference between the contents of intentional states.
To demonstrate that strong PITs cannot account for identity between contents, I begin by briefly laying out some of the minimal constraints of these theories when it comes to the relationship between intentional content and phenomenal character. In particular, I express this through a fairly neutral supervenience thesis which states that, when it comes to at least some basic intentional states, there can be no difference in intentional content without there being a difference in phenomenal character. An additional preliminary note is necessary for my argument: introspection plays a key role in PITs, and specifically, introspective reports about the intentional content of experience are given great importance. Mendelovici, who is one of the most prominent proponents of a strong version of PIT, is explicit in this regard, and states that our theories of intentionality must match our pretheoretical introspective judgments about the contents of our experience to be adequate. In other words, PIT should methodologically prioritize introspection over other ways of determining the content of intentional states.
After having laid out these preliminary notes, I construct a scenario that shows how even these minimal constraints, along with the methodological priority given to introspection, lead to an unacceptable tension within PIT. The scenario is as follows: a subject faces a circular gradient composed of eight continuous shades (s1-s8). By design, s1 is indiscriminable from s2; s2 is indiscriminable from s3; and so on. However, s1 is easily differentiated from s8. I provide an image of the gradient to illustrate this.
Based on this scenario, one can lead the defender of PIT into contradiction. The subject will report that the content of their experience of s1 and s2 is identical; that the content of their experience of s2 and s3 is identical; and so on. Since identity is transitive, identity between contents should be transitive too, which means that we can infer that the content of the subject’s experience of s1 is identical to the content of their experience of s8. However, the subject will report, based on introspection, that the content of their experience of s1 and s8 is not identical. We’ve stumbled into a contradiction.
The defender of PIT is faced with two unpleasant options here. One is to claim that one of the premises of the argument is false, that is, that one of the reports of the subject is false. However, this can only be done by abandoning the aforementioned priority of introspection, since all premises are supported by introspective reports. This is unacceptable because the prioritization of introspection is one of the fundamental ideas behind the program of phenomenal intentionality. The other option is to claim that the transitivity of identity does not hold for intentional contents, which is akin to saying that there can be no true identity between intentional contents, since transitivity is one of the defining characteristics of identity relations. This is unacceptable because the capacity to accommodate and explain sameness and difference of contents is a basic desideratum for any theory of intentionality.
I conclude this work by anticipating a possible counterargument. One might try to defend strong PITs by saying that there could be other factors determining content, and that PITs need not give total priority to introspection; for example, Mendelovici argues that our pretheoretical intuitions about content are sometimes related to the psychological role an intentional state plays (2018, pp. 27-8). I construct an argument to demonstrate why this is not a plausible way out for PIT. My argument has an analogous form to Mendelovici’s “mismatch argument,” which she employs to argue that tracking theories of intentional content are inadequate (2018, pp. 33-44) – it demonstrates that there could be a mismatch between the content determined by a state’s psychological role and the content determined by a subject’s introspective access to that same state. If such a mismatch occurs, I argue, the defender of PIT is constrained to give priority to what introspection dictates is the content of the intentional state. The argument can be generalized to target other kinds of potential theoretical “accessories” to PIT which would allow for alternative predictions about the content of intentional states. Defenders of PIT, then, must prioritize introspection over alternative ways of determining the content of intentional states.
The upshot of this work is that strong versions of PIT, such as the ones developed in Mendelovici (2018) and Graham, Horgan and Tienson (2007), are committed to methodologically prioritizing introspection in a way that leads to them being unable to account for identity between contents in a satisfactory manner. I suspect this is a consequence of a deeper and more fundamental problem with strong PITs, which is that “flattening” representational properties onto phenomenal properties threatens to strip intentional states of their normative nature. In other words, strong versions of PIT such as Mendelovici’s do not seem to leave space for intentional states to misrepresent; and there can be no representation without the possibility of misrepresentation. I believe more work needs to be done to investigate whether PITs can be modified to accommodate this basic feature of representation.
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