# structural+form

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**Structural proof theory**— In mathematical logic, structural proof theory is the subdiscipline of proof theory that studies proof calculi that support a notion of analytic proof. Contents 1 Analytic proof 2 Structures and connectives 3 Cut elimination in the sequent… …22

**Structural rule**— In proof theory, a structural rule is an inference rule that does not refer to any logical connective, but instead operates on the judgements or sequents directly. Structural rules often mimic intended meta theoretic properties of the logic.… …23

**Structural scoliosis**— A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without reference to other physical problems (idiopathic scoliosis). It tends to affect girls during adolescence. Structural scoliosis can also… …24

**structural formula**— Formula For mu*la, n.; pl. E. {Formulas}, L. {Formul[ae]}. [L., dim. of forma form, model. See{Form}, n.] 1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said. [1913… …25

**form**— formable, adj. formably, adv. /fawrm/, n. 1. external appearance of a clearly defined area, as distinguished from color or material; configuration: a triangular form. 2. the shape of a thing or person. 3. a body, esp. that of a human being. 4. a… …26

**Structural differential**— The Structural differential is a physical chart or three dimensional model illustrating the abstracting processes of the human nervous system. In one form, it looks like a pegboard with tags. Created by Alfred Korzybski, and awarded a U.S. patent …27

**Structural Building Trades Alliance**— The Structural Building Trades Alliance (SBTA) was an American federation of labor unions in the construction industry. It was founded in 1903 and existed until 1908, when it affiliated with the American Federation of Labor (AFL) and became the… …28

**Structural estimation**— Economists, econometricians, and statisticians use structural estimation techniques like GMM and maximum likelihood to estimate deep structural parameters of theoretical models. In this sense, structural estimation is contrasted with reduced form …29

**structural differentiation**— A concept associated with evolutionary theories of history and with structural functionalism. Societies are seen as moving from the simple to the complex via a process of social change based on structural differentiation. The process may be… …30

**form**— /fɔm / (say fawm) noun 1. definite shape; external shape or appearance considered apart from colour or material; configuration. 2. the shape of a thing or person. 3. a body, especially that of a human being. 4. something that gives or determines… …