The subject matter of the text is an examination of the role the problem of repetition plays in cognitive, social and anthropological aspects of the artistic avant-garde as those are viewed from the standpoint of Umberto Eco's semiology. In Eco's "The Open Work" and "The Absent Structure" the above-mentioned problem takes the form of the concept of redundancy. The latter must be analysed in its relation with the concept of information, as they constitute each other; additionally, they shape Eco's approach to the world of signs, being therefore a kind of conceptual infrastructure of his discourse. The author demonstrates that there are in Eco two interpretations of the relation between information and redundancy. According to the one that ...