Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This book constitutes the refereed proceedings of the 31st International Conference on Logic-Based Program Synthesis and Transformation, LOPSTR 2021, which was held during September 7-8, 2021.*The 8 papers presented in this volume were carefully reviewed and selected from a total of 15 reviewed submissions. Additionally, the book also contains 1 full-length invited talk. *Conference was held as a hybrid event due to the COVID-19 pandemic.