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September 28, 2016

"What Descartes Doubted, Berkeley Denied, and Kant Endorsed"

I've posted a new draft, "What Descartes Doubted, Berkeley Denied, and Kant Endorsed," to my writings page. This is actually a rewrite of a much older paper; the original idea pre-dates my dissertation. In it, I argue (among other things) that Kant's fundamental complaint against Berkeley is that Berkeley's empiricism leaves him with cognitive resources too sparse for the construction of a genuine world. In particular, Kant targets Berkeley's rejection of the application of the concept of substance to perceived objects. Of course, in Language and Structure I argue that Berkeley is aware of these sorts of problems and develops...
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March 30, 2016

"Arnauld's Verbal Distinction" in History and Philosophy of Logic

I've just heard that "Arnauld's Verbal Distinction between Ideas and Perceptions" will appear in History and Philosophy of Logic. It is unfortunate that Arnauld doesn't get more attention; I'm trying to do something about that!
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November 10, 2015

"Leibniz and the Veridicality of Body Perceptions" in Philosophers' Imprint!

I've just received word that my paper, "Leibniz and the Veridicality of Body Perceptions," will be appearing in the (open access) journal Philosophers' Imprint!
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September 1, 2014

November 7, 2011

Berkeley's 'Master Argument' and the Theory of Mental Representation

I apologize for the very light posting; I have been busy stressing about my upcoming qualifying exam. But I thought I would break my silence today for some thoughts about (as usual) Berkeley. The following passage from Berkeley's Dialogues (L&J p. 200) is rather notorious: Phil. ... I am content to put the whole [debate] upon this issue. If you can conceive it possible for any mixture or combination of qualities, or any sensible object whatever, to exist without the mind, then I will grant it actually to be so. Hyl. If it comes to that, the point will soon...
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June 29, 2011

A Short Story About Berkeley's Theory of Vision

On the plane back from Zurich last week I read a very interesting story, "He Who Shapes," by Roger Zelazny. This work won the Nebula for best novella in 1965. The story centers around essentially the same piece of technology depicted in the recent movie Inception: a device that allows two people to share a dream, with one of them, the 'shaper', in control of the dream world. However, unlike Inception, in which the technology is used primarily for corporate espionage, in "He Who Shapes" the device is used for psychotherapy. This would be interesting enough, but it gets better:...
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January 11, 2011

The Nature of the Visible Space in Berkeley's New Theory of Vision

One of the main aims of Berkeley's Essay Toward a New Theory of Vision is to argue that the application of spatial vocabulary ('far', 'near', 'big', 'small', 'right', 'left', etc.) to how things look ("visible objects") is derived from the primary meaning of that vocabulary as applying to how things feel ("tangible objects"). A big object is one you can't fit your arms around. An object looks big when the way it looks makes you think that you probably wouldn't be able to fit your arms around it. It is only by experience that we learn that objects we can't...
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June 2, 2010

What is the Problem with Empiricism, Realism, and the Way of Ideas?

After discussing my last post offline with Lewis yesterday, I wanted to clarify this claim: "The argument points to serious problems with the combination of empiricism, realism, and the 'way of ideas.'" The problems I have in mind are difficulties with being justified in believing in, or perhaps even capable of expressing, realism. That is, there are certain views that seem natural if one accepts empiricism and the way of ideas which lead to the denial of realism. Here is, I think, the best example. Empiricism is an explanatory program for philosophy of mind which systematically favors explanations of the...
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May 29, 2010

Can Immediate Perception Save Realism? (Hint: No)

As I mentioned in my last post, now that the term is over I am catching up on some stuff I've been meaning to read. Another item on that list is Georges Dicker's "Anti-Berkeley" which appeared in British Journal for the History of Philosophy in 2008. Dicker's aim is to show that many of Berkeley's arguments are good, but immaterialism, nevertheless, does not follow. Dicker thinks that Berkeley's arguments are best seen as showing us how to formulate a better version of materialism than the one common in Berkeley's day. So, for instance, Dicker thinks that Berkeley successfully refutes the...
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March 27, 2010

How Reductive Theories of Mental Representation Lead to Phenomenalism

It seems initially plausible to suppose that mental representation can be reduced to phenomenal character. That is, we all know that when we think about things we get into certain states of mind, and there is such a thing as what it's like to be in that state of mind. Now, when we think about things, we are representing the world as being in certain ways. It is tempting to suppose that this representing can be explained entirely in terms of the what-it's-like (phenomenal character). According to naive forms of representative realism, this is because that phenomenal experience resembles the...
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November 2, 2009

Does 'The Desk is Black' Express a Proposition?

According to standard versions of subjunctive phenomenalism, such as the version developed by C. I. Lewis, sentences purporting to be about physical objects can be analyzed into long conjunctions of subjunctive conditionals having to do only with sense data and voluntary actions. It's very difficult to actually state these conditionals, but they are supposed to say things like 'if I'm in such and such a condition, and I do X, I will experience Y'. Alva Noë is not a phenomenalist, but he expresses some similar ideas about the nature of perception. Specifically, Noë argues that perception does not involve the...
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September 18, 2009

Quote of the Day: A Source in Descartes for Berkeley's Visual Language Theory?

We must take care not to assume - as our philosophers [i.e. the scholastics] commonly do - that in order to have sensory awareness the soul must contemplate certain images [i.e. the species] transmitted by objects to the brain; or at any rate we must conceive the nature of these images in an entirely different manner from that of the philosophers. For since their conception of the images is confined to the requirement that they should resemble the objects they represent, the philosophers cannot possibly show us how the images can be formed by the objects, or how they can...
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