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ON LINGUISTIC STRATA (LEVELS)

0. The notion of "linguistic stratum (level)" may be interpreted in different ways. In principle, however, this notion reflects the evident fact that the structure of the semiotic systems represented by natural languages shows a very high degree of complexity. In Prague-School linguistics these strata (levels) have been considered as facts of la langue itself, not only as mere constructs of a linguistic theory. This opinion (which we shall discuss later) has been formulated clearly by J. Vachek: "The complexity of the system is reflected in the fact that within a system taken as a whole one can distinguish a number of sub-systems or levels, each of which has its own particular structure, and, consequently, its own specific structural problems."