# Syntactics

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## syntactics

[sin′tak·tiks]
(communications)
The branch of semiotics that treats relations between symbols themselves, and defines valid relationships between the elements of a language.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

## Syntactics

the part of semiotics that studies the syntactic, that is, purely structural, properties of a sign system without relation to any interpretations of the signs (the subject of semantics) or possible interpreters (the subject of pragmatics). Inasmuch as there are serious grounds for characterizing semiotics not as a science, in the commonly accepted sense of the word, but as a certain approach to the description of a different type of “sign situation” and the resolution of related problems, it makes sense to speak of syntactics as a purely “formal,” structural aspect of such a semiotic approach.

An example of the syntactic characteristics of a calculus is the group of rules for generating formulas in the calculus; the rules give the criteria for distinguishing the formulas from those expressions that are composed of symbols of the alphabet of the given calculus but that are not formulas of the calculus. The syntax and morphology of the grammars of natural languages are concerned primarily with questions of syntactics in the sense discussed here. Syntactic laws are of special importance in the formalized languages of mathematical logic and mathematics. It is precisely within the bounds of logical and mathematical research that ideas, methods, and results have arisen that can be termed the subject of syntactics. The syntactic aspect of research has also been extremely fruitful when applied to natural languages—both dead languages (as in the deciphering of ancient writing) and living languages (as in machine translation). (See alsoLINGUISTIC MODELS.)

### REFERENCES

See references under calculus and semiotics.
References in periodicals archive ?
Conor Carlin is sales and marketing manager for CMT Materials, Inc., Attleboro, Mass., a leader in the development, manufacturing, and sales of syntactic foam materials for plug-assisted thermoforming.
The syntactic rule is the third element of the signifiant of the operation (apart from the form and semantic rules).
The syntactic rule in (8) changes the category of the derivation base from noun into adjective, as in aecen 2 'oaken':
In the syntactic rule represented in (9), there is a change of category from adposition, adverb and pronoun into adjective, as in andlang 2 'along', allefne2 'universally' and aenig 2 'any, any one':
The simplest semantic rule is the identity rule; this means that the operation contains only a full formal rule and/or a syntactic rule.
As a positive plug or pusher with negative tooling, syntactic foam is used to pre-stretch the polymer sheet to provide better material distribution and eliminate thin spots and webbing while providing an opportunity to downgauge the starting sheet thickness.
For a 24/7 manufacturing operation, the cost of a full-size syntactic plug can be easily justified by the 15% to 20% cost savings per part.
Solid syntactic castings are limited to a thickness of about 15 in.
The system consists of an inner core of reinforced composite spheres and an outer shell of solid syntactic foam, as shown in Fig.
The two-part system is available in several different types of syntactic foam including epoxy-based, copolymer syntactic, and copolymer syntactic with PTFE.
Two case studies illustrate the benefits of syntactic foam over other materials for plug/pusher applications.
To simulate the application, plugs made of wood and three different syntactic foams were evaluated, including Hytac-W, Hytac-WF, and Hytac-FLXT from CMT Materials Inc.

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