InhaltsangabeIntelligence: A Nomadic Concept.- Self-consciousness as a Philosophical Problem.- Meaning Skepticism and Cognitive Science.- Frege's Sense and Tarski's Undefinability.- Logics of Knowing and Believing.- Knowledge-Based Systems.- Neural Networks.- Problem Solving with Neural Networks.- Paradigm Shifts in the Neurobiology of Perception.- Neural Network Models in Psychology and Psychopathology.- Questions Concerning Learning in Neural Networks.