Causal theory of reference

A causal theory of reference is a theory of how terms acquire specific referents. Such theories have been used to describe many referring terms, particularly logical terms, proper names, and natural kind terms. In the case of names, for example, a causal theory of reference typically involves the following claims:

a name's referent is fixed by an original act of naming (also called a "dubbing" or, by Saul Kripke, an "initial baptism"), whereupon the name becomes a rigid designator of that object.
later uses of the name succeed in referring to the referent by being linked to that original act via a causal chain.

Weaker versions of the position (perhaps not properly called "causal theories"), claim merely that, in many cases, events in the causal history of a speaker's use of the term, including when the term was first acquired, must be considered to correctly assign references to the speaker's words.

Causal theories of names became popular during the 1970s, under the influence of work by Saul Kripke and Keith Donnellan. Kripke and Hilary Putnam also defended an analogous causal account of natural kind terms.

Kripke's causal account of names

In lectures later published as Naming and Necessity, Kripke provided a rough outline of his causal theory of reference for names. Although he refused to explicitly endorse such a theory, he indicated that such an approach was far more promising than the then-popular descriptive theory of names introduced by Russell, according to which names are in fact disguised definite descriptions. Kripke argued that in order to use a name successfully to refer to something, you do not have to be acquainted with a uniquely identifying description of that thing. Rather, your use of the name need only be caused (in an appropriate way) by the naming of that thing.

Such a causal process might proceed as follows: the parents of a newborn baby name it, pointing to the child and saying "we'll call her 'Jane'." Henceforth everyone calls her 'Jane'. With that act, the parents give the girl her name. The assembled family and friends now know that 'Jane' is a name which refers to Jane. This is referred to as Jane's dubbing, naming, or initial baptism.

However, not everyone who knows Jane and uses the name 'Jane' to refer to her was present at this naming. So how is it that when they use the name 'Jane', they are referring to Jane? The answer provided by causal theories is that there is a causal chain that passes from the original observers of Jane's naming to everyone else who uses her name. For example, maybe Jill was not at the naming, but Jill learns about Jane, and learns that her name is 'Jane', from Jane's mother, who was there. She then uses the name 'Jane' with the intention of referring to the child Jane's mother referred to. Jill can now use the name, and her use of it can in turn transmit the ability to refer to Jane to other speakers.

Philosophers such as Gareth Evans have insisted that the theory's account of the dubbing process needs to be broadened to include what are called 'multiple groundings'. After her initial baptism, uses of 'Jane' in the presence of Jane may, under the right circumstances, be considered to further ground the name ('Jane') in its referent (Jane). That is, if I am in direct contact with Jane, the reference for my utterance of the name 'Jane' may be fixed not simply by a causal chain through people who had encountered her earlier (when she was first named); it may also be indexically fixed to Jane at the moment of my utterance. Thus our modern day use of a name such as 'Christopher Columbus' can be thought of as referring to Columbus through a causal chain that terminates not simply in one instance of his naming, but rather in a series of grounding uses of the name that occurred throughout his life. Under certain circumstances of confusion, this can lead to the alteration of a name's referent (for one example of how this might happen, see Twin Earth thought experiment).

Motivation

Causal theories of reference were born partially in response to the widespread acceptance of Russellian descriptive theories. Russell found that certain logical contradictions could be avoided if names were considered disguised definite descriptions (a similar view is often attributed to Frege, mostly on the strength of a footnoted comment in On Sense and Reference, although many Frege scholars consider this attribution misguided). On such an account, the name 'Aristotle' might be seen as meaning 'the student of Plato and teacher of Alexander the Great'. Later description theorists expanded upon this by suggesting that a name expressed not one particular description, but many (perhaps constituting all of one's essential knowledge of the individual named), or a weighted average of these descriptions.

Kripke found this account to be deeply flawed, for a number of reasons. Notably:

We can successfully refer to individuals for whom we have no uniquely identifying description. (For example, a speaker can talk about Phillie Sophik even if one only knows him as 'some poet'.)
We can successfully refer to individuals for whom the only identifying descriptions we have fail to refer as we believe them to. (Many speakers have no identifying beliefs about Christopher Columbus other than 'the first European in North America' or 'the first person to believe that the earth was round'. Both of these beliefs are incorrect. Nevertheless, when such a person says 'Christopher Columbus', we acknowledge that they are referring to Christopher Columbus, not to whatever individual satisfies one of those descriptions.)
We use names to speak hypothetically about what could have happened to a person. A name functions as a rigid designator, while a definite description does not. (One could say 'If Aristotle had died young, he would never have taught Alexander the Great.' But if 'the teacher of Alexander the Great' were a component of the meaning of 'Aristotle' then this would be nonsense.)

A causal theory avoids these difficulties. A name refers rigidly to the bearer to which it is causally connected, regardless of any particular facts about the bearer, and in all possible worlds.

The same motivations apply to causal theories in regard to other sorts of terms. Putnam, for instance, attempted to establish that 'water' refers rigidly to the stuff that we do in fact call 'water', to the exclusion of any possible identical water-like substance for which we have no causal connection. These considerations motivate semantic externalism. Because speakers interact with a natural kind such as water regularly, and because there is generally no naming ceremony through which their names are formalized, the multiple groundings described above are even more essential to a causal account of such terms. A speaker whose environment changes may thus observe that the referents of his terms shift, as described in the Twin Earth and Swamp man thought experiments.

Criticisms of the theory

Gareth Evans argued that the causal theory, or at least certain common and over-simple variants of it, have the consequence that, however remote or obscure the causal connection between someone's use of a proper name and the object it originally referred to, they still refer to that object when they use the name. (Imagine a name briefly overheard in a train or café.) The theory effectively ignores context and makes reference into a magic trick. Evans describes it as a "photograph" theory of reference.
The links between different users of the name are particularly obscure. Each user must somehow pass the name on to the next, and must somehow "mean" the right individual as they do so (suppose "Socrates" is the name of a pet aardvark). Kripke himself notes the difficulty, John Searle makes much of it.
Mark Sainsbury argued^[1] for a causal theory similar to Kripke's, except that the baptised object is eliminated. A "baptism" may be a baptism of nothing, he argues: a name can be intelligibly introduced even if it names nothing.^[2] The causal chain we associate with the use of proper names may begin merely with a "journalistic" source.^[3]

The causal theory has a difficult time explaining the phenomenon of reference change. Gareth Evans cites the example of when Marco Polo unknowingly referred to the African Island as "Madagascar" when the natives actually used the term to refer to a part of the mainland. Evans claims that Polo clearly intended to use the term as the natives do, but somehow changed the meaning of the term "Madagascar" to refer to the island as it is known today. Michael Devitt claims that repeated groundings in an object can account for reference change. However, such a response leaves open the problem of cognitive significance that originally intrigued Russell and Frege.
East-Asians are more likely than Americans to have intuitions about reference in line with descriptivist theories.^[4]

Notes

References

Donnellan, Keith. (1972) "Proper Names and Identifying Descriptions."
Evans, G. (1985) "The Causal Theory of Names". in Martinich, A. P. ed. The Philosophy of Language. Oxford University Press.
Evans, G. The Varieties of Reference, Oxford 1982
Kripke, Saul. 1980. Naming and Necessity. Cambridge, Mass.: Harvard University Press.
Kripke, S. "A Puzzle about Belief", 1979, in Martinich (ed) 1996, pp 382–409.
McDowell, John. (1977) "On the Sense and Reference of a Proper Name."
Salmon, Nathan. (1981) Reference and Essence, Prometheus Books.
Machery, E.; Mallon, R.; Nichols, S.; Stich, S. P. (2004). "Semantics, Cross-cultural Style". Cognition 92 (3): B1–B12. doi:10.1016/j.cognition.2003.10.003.
Sainsbury, R.M. (2001). "Sense without Reference". In Newen, A.; Nortmann, U.; Stuhlmann Laisz, R. Building on Frege. Stanford.

Philosophy of language

Philosophers	Plato (Cratylus) Gorgias Confucius Xunzi Aristotle Stoics Pyrrhonists Scholasticism Ibn Rushd Ibn Khaldun Thomas Hobbes Gottfried Wilhelm Leibniz Johann Herder Ludwig Noiré Wilhelm von Humboldt Fritz Mauthner Paul Ricœur Ferdinand de Saussure Gottlob Frege Franz Boas Paul Tillich Edward Sapir Leonard Bloomfield Zhuangzi Henri Bergson Lev Vygotsky Ludwig Wittgenstein Philosophical Investigations Tractatus Logico-Philosophicus Bertrand Russell Rudolf Carnap Jacques Derrida Of Grammatology Limited Inc Benjamin Lee Whorf Gustav Bergmann J. L. Austin Noam Chomsky Hans-Georg Gadamer Saul Kripke A. J. Ayer G. E. M. Anscombe Jaakko Hintikka Michael Dummett Donald Davidson Paul Grice Gilbert Ryle P. F. Strawson Willard Van Orman Quine Hilary Putnam David Lewis John Searle Joxe Azurmendi Scott Soames Stephen Yablo John Hawthorne Stephen Neale

Theories	Causal theory of reference Contrast theory of meaning Contrastivism Conventionalism Cratylism Deconstruction Descriptivist theory of names Direct reference theory Dramatism Expressivism Linguistic determinism Logical atomism Logical positivism Mediated reference theory Nominalism Non-cognitivism Phallogocentrism Quietism Relevance theory Semantic externalism Semantic holism Structuralism Supposition theory Symbiosism Theological noncognitivism Theory of descriptions Verification theory

Concepts	Ambiguity Linguistic relativity Meaning Language Truth-bearer Proposition Use–mention distinction Concept Categories Set Class Intension Logical form Metalanguage Mental representation Principle of compositionality Property Sign Sense and reference Speech act Symbol Entity Sentence Statement more...

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