This book tries to answer the question “What happens if an AI system makes a mistake while contracting?” by applying an interdisciplinary and comparative legal methodology. It offers a tantalizing glimpse into the intricate web of legal, psychological, and technical phenomena involved, and how they are interconnected within the realm of contractual mistake doctrine as we know it today. 

It covers a wide range of topics, including the common origins of German and English contract law, the pivotal role of intentions as a prerequisite for effectual contracts in both...