Theoretical aspects of software engineering : 17th international symposium TASE 2023 Bristol UK July 4 6 2023 : proceedings This book constitutes the proceedings of the 17th International Conference on Theoretical Aspects of Software Engineering TASE 2023 held in Bristol UK July 4 6 2023. The 19 full papers and 2 short papers included in this book were carefully reviewed and selected from 49 submissions. They cover the following areas: distributed and concurrent systems; cyber physical systems; embedded and real time systems; object oriented systems; quantum computing; formal verification and program semantics; static analysis; formal methods; verification and testing for AI systems; and AI for formal methods