Abstract: The article is devoted to the identification of the genesis, typology and characterization of the philosophical concept of chaos, discreteness, paradoxicity and rhizomorphism of being and their reflection in philosophy and postmodern fiction based on the works of J.L. Borges and U. Eco is about libraries embodied by foreign authors as rhizomorphic paradoxical labyrinths. The concept of rhizome is considered in the context of temporal chaos. In accordance with the basic principles of historical science, the issues of rhizomorphism of the labyrinth library in the context of time are revealed. The research methodology includes general scientific and special comparative methods. The comparative historical and descriptive approaches of the above sources are used. Examples of works by J.L. Borges and U. Eco in the concept of their description of the library as a rhizomorphic paradoxical labyrinth. The relevance of the article lies in the appeal to the analysis of the image of the library as a concept that initially symbolizes the storage of books, knowledge, embodying stability, logical orderliness, consistency. In the culture and art of postmodernism, this symbolism has been radically transformed, which is convincingly proved by the analysis of texts by J.L. Borges and U. Eco.