Ignacio Matte-Blanco has made one of the most original contributions to psychoanalysis since Freud. In this book, which includes an introductory chapter to his work by Eric Rayner and David Tuckett, he develops his conceptualization of the Freudian unconscious in terms of logic and mathematics, giving many clinical examples. "In applying the complexities and paradoxes of mathematical logic to psychoanalysis, Matt-Blanco has enriched it incredibly and has given us fascinating new instruments to wield in the clinical situation." - James S. Grotstein, The International Journal of Psychoanalysis Ignacio Matte-Blanco