Online research in philosophy

: Interpretations of Kant's transcendental idealism have been dominated by two extreme views: phenomenalist and merely epistemic readings. There are serious objections to both of these extremes, and the aim of this paper is to develop a middle ground between the two. In the Prolegomena, Kant suggests that his idealism about appearances can be understood in terms of an analogy with secondary qualities like color. Commentators have rejected this option because they have assumed that the analogy should be read in terms of either a Lockean or a Berkelean account of qualities such as color, and have argued, rightly, that neither can provide the basis for a coherent interpretation of Kant's position. I argue that the account of color that the analogy requires is one within the context of a direct theory of perception, as opposed to Locke's representative account. Using this account of color, the secondary quality analogy enables us to explain how appearances can be mind-dependent without existing in the mind.

We all know what it is like to have these sorts of experiences. Reflection on the qualitative character of such experiences suggests that events occurring now have a characteristic property of nowness, responsible for a certain special “feel,” and that events pass from the future, to the present, and then into the past. The question I want to explore is whether we should take this suggestion to support an antireductionist ontology of time, that is, whether we should take it to support an ontology that includes a primitive, monadic property of nowness responsible for the special feel of events in the present, and a relation of passage that events instantiate in virtue of literally passing from the future, to the present, and then into the past. It will be important in what follows to avoid prejudging whether the world actually does include nowness and passage, so I’ll use the locution “as of” instead of just “of” when I want to signal that descriptions like “experience as of passage” merely describe experiences with a certain qualitative character. It should be obvious that we need to take temporal experience seriously: experiences as of nowness and as of the passage of events are central to our subjective perspective. In some deep but hard to define way, our temporal experience is caught up with our sense of being, i.e., our sense of what we are and how we are. (Heidegger engages this idea in his Being..

I propose that the passage of time is the successive occurrence of sets of simultaneous events (assuming classical or Newtonian spacetime structure as background). This conception of passage, I claim, is lean enough to survive the criticisms of passage-deniers while robust enough to satisfy the needs of passage-affirmers. I undertake to describe and defend this minimal notion of passage.

In a crucial passage of the second-edition Transcendental Deduction, Kant claims that the concept of motion is central to our understanding of change and temporal order. I show that this seemingly idle claim is really integral to the Deduction, understood as a replacement for Locke’s “physiological” epistemology (cf. A86-7/B119). Béatrice Longuenesse has shown that Kant’s notion of distinctively inner receptivity derives from Locke. To explain the a priori application of concepts such as succession to this mode of sensibility, Kant construes the mind as receptive to its own activity. As Longuenesse understands Kant’s response to Locke, “motion” becomes little more than a metaphor for the action of understanding on inner sense. For Michael Friedman, in contrast, this passage evidences Kant’s deep concern with the foundations of Newtonian science. He reads it as a reference to inertial motion, the standard by which temporal intervals are measured. I show that Longuenesse’s and Friedman’s interpretations are in fact complementary. Both Locke and Kant are deeply concerned with the quantification of time. So Longuenesse is right that §24 is meant to supplant Locke’s account, and Friedman correctly takes it as the foundation of Kant’s account of the application of quantitative concepts to time. Kant aims, specifically, to explain cognition of time as continuous magnitude. However, Longuenesse leaves Kant without an answer to Locke’s challenge that continuous magnitude cannot be understood on the basis of discrete magnitude. And on Friedman’s view Kant’s account of the understanding’s activity presupposes, and thus cannot explain, the achievements of the mathematical sciences (such as the representation of temporal continuity). On my reading, Kant’s key contention is that we must regard the segregation of temporally ordered representation into units as the work of the understanding, rather than (as Locke views it) of sensibility. By giving the understanding this role, Kant succeeds where he takes Locke to fail. I show how the power to unify temporal representation can be ascribed to the understanding on the basis, not of assumed mathematical or scientific knowledge, but of its characterization as the power of judgment.

The role of analogy appears in surprisingly different areas of the first Critique. On the one hand, Kant considered the concept to have a specific enough meaning to entitle the principle concerned with causation an analogy; on the other hand we can find Kant referring to analogy in various parts of the Transcendental Dialectic in a seemingly different manner. Whereas in the Transcendental Analytic, Kant takes some time to provide a detailed (if not clear) account of the meaning of the term ‘analogy’ and his reasons for his employment of it, in the Transcendental Dialectic on the other hand, Kant’s employment of the term seems far less technical. It would seem on the face of it, that Kant has two senses of ‘analogy’: one technical sense reserved for those constitutive principles of the understanding as laid out in the Analytic, and another casual and commonplace use of the term. This picture, although it contains elements of truth, is ultimately misleading. I argue for three claims in this paper. Firstly, I suggest that there can be found in the first Critique a unified conception of analogy. Secondly, I argue that Kant self-consciously differentiated his employment of analogy from the employment that can be found in many early modern philosophers, e.g. Locke. Thirdly, I will tentatively suggest that this interpretation of analogy can aid us in addressing certain contentious areas of transcendental idealism, most notably the account of causation.

I first distinguish several notions that have traditionally been conflated (or otherwise neglected) in discussions of the metaphysics of time. Thus, for example, I distinguish between the passage of time and temporal becoming. The former is, I maintain, a confused notion that does not represent a feature of the world; whereas a proper understanding of the latter provides the key for a plausible and comprehensive account of the nature of temporal reality. There are two general classes of views of the nature of temporal reality; proponents of particular views in both classes attempt to account for the phenomenon of temporal becoming in terms of qualitative change. I argue that any such account – in terms of change – is irredeemably problematic. And so I propound a different account of temporal becoming, based on the notion that temporal reality is transient, which provides the means to characterize intuitively and vividly the significant effects of time on the metaphysical nature of the world.

References to Kant's so-called Copernicanism or Copernican turn are often put in very general terms. It is commonly thought that Kant makes the Copernican analogy solely in order to point out the fact as such of a paradigm shift in philosophy. This is too historical an interpretation of the analogy. It leaves unexplained both Kant's and Copernicus' reasons for advancing their respective hypotheses, which brought about major changes in the conceptual schemes of philosophy and astronomy. My contention is that something much more specific, systematic is at issue, which contrary to received understanding makes Kant's analogy in fact particularly apt.

According to McCall and Lowe (2003) interpreting the twins’ paradox reconciles the A-theorist’s notion of temporal passage or flow with the special theory of relativity. Miller, however, recalls that “the B-theorist never denied that there was temporal passage in some sense of the term” (Miller 2004, 204), and argues convincingly that McCall and Lowe stipulate nothing other than this B-theorist’s sense of temporal succession. But, as I want to show, we need in fact the A-theorist’s or even presentist’s account of temporal passage in the sense of a ‘moving now’ in order to preserve the temporal content of the twins’ paradox. It is essential, I think, that for a temporal understanding of the twins’ paradox proper times and coordinate times have to be combined in a way that only the presentists can cope.

The theorist who denies the objective reality of non-relational temporal properties, or ‘A-series’ determinations, must explain our experience of the passage of time. D.H. Mellor, a prominent denier of the objective reality of temporal passage, draws, in part, on Kant in offering a theory according to which the experience of temporal passage is the result of the projection of change in belief. But Mellor has missed some important points Kant has to make about time-awareness. It turns out that Kant's theory of time-awareness also involves projection – but for him, the projection of temporal passage is necessary to any coherent experience at all, and for this reason events in the world cannot be represented except as exhibiting real tensed change. Consequently we cannot intelligibly suppose the world we know to be without the passage of time. This fact would permit a modest transcendental argument the conclusion of which is that we are entitled to describe the world in terms of temporal passage.