Representation and Causation, with Some Help from Putnam

1. Materialism would be very attractive if only it could be made to work. Unfortunately, there are a number of phenomena for which it has no satisfactory explanation. One such is the phenomenon of
representation, whether mental or linguistic. Some mental states are of or about worldly individuals and states of affairs. This fact comes under the rubric 'Intentionality.'  How is this intentional directedness possible given materialist constraints? Following Chisholm and Searle, I subscribe to the primacy of the intentional over the linguistic. But let's approach the problem of representation from the side of linguistic reference. How is it that words and sentences mean things? How does language hook onto reality? In virtue of what does my tokening (in overt speech, in writing, or in any other way) of the English word-type 'cat' refer to cats? What makes 'cat' refer to cats rather than to pictures of cats or statues of cats or the meowing of cats?  This, in linguistic dress, is the question, What makes my thought of a cat, a thought of a cat?  And how is all this possible in the materialist's world?

2. The materialist has more than one option, but a very tempting one is to reduce reference to causation. The idea is roughly that the referent of a word is what causes its tokening. Thus 'cat'-tokenings refer to cats because cats cause these tokenings. Suppose I walk into your house and see a cat. I say: "I see you have cat." My use of 'cat'  on this occasion -- my tokening of the word-type -- refers to cats because the critter in front of me causes my 'cat'-tokening.  That's the idea.

3. Unfortunately, this is only a crude gesture in the direction of a theory. For it is obvious, as Hilary Putnam points out (Renewing Philosophy, Harveard UP, 1992,p. 37), that pictures of cats cause 'cat'-tokenings, but   pictures of cats are not cats. Cats are typically furry and cover their feces. Pictures, however, are rarely furry and never cover their (nonexistent) feces. Yet I might say, seeing a picture of a cat over your fireplace, "I see you like cats." In that sentence, 'cat' is used to refer to cats even though what caused my 'cat'-tokening was not a cat but a non-cat, namely, a picture of a cat.

Indeed, practically anything can cause a 'cat'-tokening: cat feces, cat hair, cat caterwauling. Suppose I see Ann Coulter engaged in a 'cat-fight' with Susan Estrich on one of the shout shows. I say, "They are fighting like cats." Nota Bene: my use of 'cat' in this sentence is literal, but it is not caused by a cat! (My example, not Putnam's).

4. Our problem is this: what determines the reference of a word like 'cat'? What makes this bit of language represent something extralinguistic? 'Cat' is a linguistic item; a cat is not. (French   'philosophers' take note.) In virtue of what does the former target the latter? If both a cat and a pile of cat scat can cause a 'cat'-tokening, then the causal theory of reference is worthless unless it can exclude these extraneous (excremental?) cases.

The problem is that 'cat' refers to something quite specific, cats, whereas 'cat'-tokenings can be caused by practically anything. To solve this problem, a notion of causation must be invoked that is also quite selective. It turns out, however, that this selective notion of  causation presupposes intentionality, and so cannot be used in a noncircular account of intentionality. Let me explain.

4. Context-Sensitive versus Context-Independent Concepts of Causation. We often in ordinary English speak of 'the cause' of some event, a myocardial infarction say, even though there are many contributing  factors: bad diet, lack of exercise, hypertension, cigarette smoking, high stress job, an episode of snow-shoveling. Which of these will be adjudged 'the cause' is context- and interest-relative. A physician who gets a kick-back from a pharmaceutical concern will point to hypertension, perhaps, so that he can prescribe a massive dose of angiotensin-converting enzyme inhibitor, while the man's wife might say that it was the snow shoveling that did him in.

To take a more extreme example, suppose a man dies in a fire while in bed. The salient cause might be determined to be smoking in bed. No one will say that the flammability of the bedsheets and other room
furnishings is the cause of the man's incineration. Nevertheless, had the room and its furnishings not been flammable, the fire would not have occurred! The flammability is not merely a logical, but also a   causal, condition of the fire. It is part of the total cause, but no one will consider it salient. The word is from the Latin salire to leap, whence our word 'sally' as when one sallies forth to do battle at a
chess tournament, say.   A salient cause, then, is one that jumps out at you,  grabbing you by your epistemic shorthairs as it were, as opposed to being a mere background condition.

Putnam cites the example of the pressure cooker that exploded (p. 48).  No one will say that it was a lack of holes in the pressure cooker's vessel that caused the explosion. A stuck safety valve caused the   explosion. Nevertheless, had the vessel been perforated, the contraption would not have exploded!

What these examples show is that there is an ordinary-language use of 'cause' which is context-sensitive and interest-relative and (if I may) point-of-view-ish. A wholly objective view of nature, a Nagelian view from nowhere, would not be able to discriminate the salient from the nonsalient in matters causal. In terms of fundamental physics, the whole state of the world at time t determines its state at subsequent  times. At this level, a short-circuit and the current's being on are equally causal in respect of the effect of a fire. Our saying that the short-circuit caused the fire, not the current's being on, simply advertises the fact that for us the latter is the normal and desired state of things, the state we have an interest in maintaining, and that the former is the opposite.

The ordinary notion of cause, then, resting as it does on our interests and desires, presupposes intentional notions. I cannot be interested in or desire something unless I am conscious of it. And I   cannot adjudge one state of affairs as normal and the other as  abnormal unless I have interests and desires.

5. Recall what the problem was. The materialist needs to explain reference in physicalist terms. He thinks to do so by invoking physical causation. The idea is that the referents of a word W cause W-tokenings. The reference of a word is determined by the causal influence of the word's referents. So it must be cats, and not  pictures of cats, or the past behavior or English speakers that causes  'cat'-tokenings. But surely the past behavior of English speakers is part of the total cause of present 'cat'-tokenings. (See Putnam, pp. 48-49.) 'Cat' does not refer to this behavior, however. To exclude the   behavior as non-salient requires use of the ordinary interest-relative notion of causation. But this notion, we have seen, presupposes intentionality.

6. The upshot is that the above causal account of representation --  which is close to a theory proposed by Jerry Fodor -- is viciously circular: it presupposes the very notion that it is supposed to be   reductively accounting for, namely, intentionality.