The practical activity of externalization-The technique of external-
ization-Technical theories of the different arts-Criticism of
æsthetic theories of particular arts—Criticism of the classification of
the arts-Criticism of the theory of the union of the arts-Relation
of the activity of externalization to utility and morality.
Summary of the study-Identity of Linguistic with Esthetic-Esthetic
formulation of linguistic problems-Nature of language-Origin