Direct reference theory
Encyclopedia
A direct reference theory is a theory of meaning that claims that the meaning of an expression lies in what it points out in the world. It stands in contrast to mediated reference theories
Mediated reference theory
The mediated reference theory is a semantic theory that posits that words refer to something in the external world, but insists that there is more to the meaning of a name than simply the object to which it refers. It thus stands opposed to the theory of direct reference. Its most famous advocate...

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John Stuart Mill

The philosopher
Philosophy
Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

 John Stuart Mill
John Stuart Mill
John Stuart Mill was a British philosopher, economist and civil servant. An influential contributor to social theory, political theory, and political economy, his conception of liberty justified the freedom of the individual in opposition to unlimited state control. He was a proponent of...

 was one of the earliest modern advocates of a direct reference theory beginning in 1843. In his A System of Logic
A System of Logic
A System of Logic, Ratiocinative and Inductive is an 1843 book by English philosopher John Stuart Mill. In this work, he formulated the five principles of inductive reasoning that are known as Mill's methods.-References:...

Mill introduced a distinction between what he called "connotation" and "denotation." Connotation is a relation between a name (singular or general) and one or more attributes. For example, ‘widow’ denotes widows and connotes the attributes of being female, and of having been married to someone now dead. If a name is connotative, it denotes what it denotes in virtue of object or objects having the attributes the name connotes. Connotation thus determines denotation. The same object can, on the other hand, be denoted with several names with different connotations. A name can have connotation but no denotation. Connotation of a name, if it has one, can be taken to be its meaning in Mill.

According to Mill, most individual concrete names are connotative, but some, namely proper names, are not. In other words, proper names do not have meaning. All general terms, on the other hand, are according to Mill connotative. In sum, Mill’s overall picture resembles very much the description theory of reference, though his take on proper names is an exception.

Ruth Barcan Marcus

Ruth Barcan Marcus
Ruth Barcan Marcus
Ruth Barcan Marcus is the American philosopher and logician after whom the Barcan formula is named. She is a pioneering figure in the quantification of modal logic and the theory of direct reference...

 advanced a theory of direct reference for proper names at a symposium in which Quine, and Kripke were participants: published in Synthese, 1961 with Discussion in Synthese 1962. She called directly referring proper names "tags". Kripke urged such a theory in 1971 and thereafter. He called such directly referring proper names "rigid designators".

Saul Kripke

Saul Kripke
Saul Kripke
Saul Aaron Kripke is an American philosopher and logician. He is a professor emeritus at Princeton and teaches as a Distinguished Professor of Philosophy at the CUNY Graduate Center...

 defended direct reference theory when applied to proper names. Kripke claims that proper names do not have any "senses" at all, because senses only offer contingent facts about things.

Kripke articulated this view using the formal apparatus of possible worlds
Possible Worlds
Possible Worlds may refer to:* Possible worlds, a concept in philosophy* Possible Worlds , by John Mighton** Possible Worlds , by Robert Lepage, based on the Mighton play* Possible Worlds , by Peter Porter...

. The possible worlds thought-experiment first takes the subject, and then tries to imagine the subject in other possible worlds. Taking George W. Bush, for example. First (1) the thought-experiment must state that the name "George W. Bush" is the name used to describe the particular individual man that is typically meant. Then (2), the experimenter must imagine the possible states of affairs that reality could have been - where Bush was not president, or went into a different career, was never born at all, etc. When this is done, it becomes obvious that the phrase "President of the United States in 2004" does not necessarily describe George W. Bush, because it is not necessarily true in all possible worlds; it only contingently describes him. By contrast, for instance, the word "apple" will always describe the same things across all possible worlds, because of premise (1). So use of the word "apple" to describe apples is true in all possible worlds.

Terms that are true across all possible worlds in this way are called "rigid designator
Rigid designator
In modal logic and the philosophy of language, a term is said to be a rigid designator when it designates the same thing in all possible worlds in which that thing exists and does not designate anything else in those possible worlds in which that thing does not exist...

s".

See also

  • Causal theory of reference
    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...

  • Descriptivist theory of names
    Descriptivist theory of names
    Descriptivist theory of names is a view of the nature of the meaning and reference of proper names generally attributed to Gottlob Frege and Bertrand Russell...

  • Frege's Puzzle
    Frege's Puzzle
    Frege's Puzzle is a puzzle about the semantics of proper names, although the title is also sometimes applied to a related puzzle about indexicals...

  • Sense and reference
    Sense and reference
    Sinn and bedeutung are usually translated, respectively, as sense and reference. Two different aspects of some terms' meanings, a term's reference is the object that the term refers to, while the term's sense is the way that the term refers to that object.Sinn and bedeutung were introduced by...

  • The Meaning of Meaning
    The Meaning of Meaning
    Although the original text was published in 1923 it has been used as a textbook in many fields including linguistics, philosophy, language, cognitive science and most recently semantics. The book has been in print continuously since 1923. The most recent edition is the critical edition prepared...

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