An empirically-based theory is proposed that relates media's most essential modes of presentation--their symbol systems--to modes of cognitive representation and to the acquisition of knowledge. This book draws upon scholarship in such areas as the study of symbol systems, cognition, cognitive development, psycholinguistics, and mass…

Discussion about the nature and varieties of mathematical understanding is presented. Symbolic understanding is defined as a mutual assimilation between a symbol system and a conceptual structure, that is dominated by the conceptual structure. (MP)