Includes bibliographical references (p. 143-144) and index.
Introduction -- Internal/external : the invisible and the visible -- The meaning of abstract in the expression abstract painting -- Form -- Pure pictorial form -- Abstract form : the theory of elements -- The disclosure of pictoriality -- Point -- Line -- The picture plane -- The unity of the elements -- Invisible colours -- Forms and colours -- Difficulties concerning the unity between colours and forms -- Composition -- Monumental art -- Music and painting -- The essence of art -- All painting is abstract -- Art and the cosmos.