Redundancy (linguistics)

For other uses, see Redundancy.
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Redundant road sign, Germany

In linguistics, redundancy refers to information that is expressed more than once.[1][2]

Examples of redundancies include multiple agreement features in morphology,[1] multiple features distinguishing phonemes in phonology,[2] or the use of multiple words to express a single idea in rhetoric.[1]

Grammar

Redundancy may occur at any level of grammar. Because of agreement – a requirement in many languages that the form of different words in a phrase or clause correspond with one another – the same semantic information may be marked several times. In the Spanish phrase los árboles verdes ("the green trees"), for example, the article los, the noun árboles, and the adjective verdes are all inflected to show that the phrase is plural.[1] An English example would be: that man is a soldier versus those men are soldiers.

In phonology, a minimal pair is a pair of words or phrases that differs by only one phoneme, the smallest distinctive unit of the sound system. Even so, phonemes may differ on several phonetic features. For example, the English phonemes /p/ and /b/ in the words pin and bin feature different voicing, aspiration, and muscular tension. Any one of these features is sufficient to differentiate /p/ from /b/ in English.[2]

Generative grammar uses such redundancy to simplify the form of grammatical description. Any feature that can be predicted on the basis of other features (such as aspiration on the basis of voicing) need not be indicated in the grammatical rule. Features that are not redundant and therefore must be indicated by rule are called distinctive features.[2]

As with agreement in morphology, phonologically conditioned alternation, such as coarticulation and assimilation add redundancy on the phonological level. The redundancy of phonological rules may clarify some vagueness in spoken communication. According to psychologist Steven Pinker, "In the comprehension of speech, the redundancy conferred by phonological rules can compensate for some of the ambiguity of the sound wave. For example, a speaker may know that thisrip must be this rip and not the srip because in English the initial consonant cluster sr is illegal."[3]

It is this feature of redundancy that has been said to be important in allowing humans to acquire a complex grammar system. A child acquiring language must abstract away grammatical rules based on the input which they hear. Redundancy in language allows the child's inductions to be more stable by presenting more salient evidence upon which these inductions are based. Redundancy therefore provides the sufficient stimulus needed to acquire a complex grammar system.

Rhetoric

Often, redundancies occur in speech unintentionally, but redundant phrases can also be deliberately constructed for emphasis, to reduce the chance that a phrase will be misinterpreted. In rhetoric, the term "redundancy" tends to have a negative connotation and may be perceived as improper because of its use of duplicative or unnecessary wording (and some people expand the definition to include self-contradictory wording, similar to double negation); however, it remains a linguistically valid way of placing emphasis on some expressed idea. Through the use of repetition of certain concepts, redundancy increases the odds of predictability of a message's meaning and understanding to others.

Redundancy typically takes the form of tautology: phrases that repeat a meaning with different though semantically similar words. Common examples are: "a variety of different items", "an added bonus", "to over-exaggerate", "and etc.", "end result", "free gift", "future plans", "unconfirmed rumor", "to kill, murder, or electrocute someone to death", "past history", "safe haven", "potential hazard", "completely surrounded", "false pretense", and so on. There is also the self-referential "joke organization" called "The Redundancy Society of Redundancy", also called "Society of Redundancy Society".

A subset of tautology is RAS syndrome in which one of the words represented by an acronym is then repeated outside the acronym: "ATM machine", "HIV virus", "PIN number", and "RAID array". These phases expand to "automated teller machine machine", "human immunodeficiency virus virus", "personal identification number number", and "redundant array of independent disks array", respectively. "RAS syndrome" is itself a tongue-in-cheek example of the RAS syndrome in action; it expands to "Redundant Acronym Syndrome syndrome". Another common redundancy is the phrase "i ily you", an 'msn speak' phrase which literally means "i i love you you".

A more general classification of redundancy is pleonasm, which can be any unnecessary words (or even word parts). Subsuming both rhetorical tautology and RAS syndrome, it also includes dialectal usage of technically unnecessary parts, as in "off of" vs. "off". Pleonasm can also take the form of purely semantic redundancies that are a part of the de facto standard usage in a language and "transparent" to the user (e.g., the French question "Qu'est-ce que c'est?" meaning "What's that?" or "What is it?", which translates very literally as "What is it that it is?"). The term pleonasm is most often, however, employed as synonymous with tautology.

See also

References

  1. 1 2 3 4 Bussmann, Hadumod (2006). Routledge Dictionary of Language and Linguistics. Routledge. pp. 399–400. ISBN 978-1-134-63038-7.
  2. 1 2 3 4 Crystal, David (2009). Dictionary of Linguistics and Phonetics. John Wiley & Sons. pp. 406–407. ISBN 978-1-4443-0278-3.
  3. ↑ Pinker, Steven (1994). The Language Instinct: How the Mind Creates Language. William Morrow. p. 181. ISBN 0-688-12141-1.
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