Includes bibliographical references (pages 243-254) and indexes.
Two notions of signs -- Semantics and cognition -- Sign emergence -- Sign metamorphosis -- The diachronic dimension.
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Rudi Keller shows how signs emerge, function and develop in the permanent process of language change. He recombines thoughts and ideas from Plato to the present day, in order to create a theory of the meaning and evolution of icons and symbols.