This volume presents the proceedings of the 6th ACM SIGACT-SIGPLAN Symposium on Principles of Programming Languages, a key event for researchers in theoretical computer science and programming language design. The papers collected here represent the cutting edge of research in areas such as type theory, program analysis, and language semantics. The symposium aims to foster the exchange of ideas between theoretical computer scientists and programming language designers, bridging the gap between foundational research and practical application.

As a collection of academic papers from a specialized symposium, the reception of this volume is primarily within the research community. The proceedings are expected to be a valuable resource for computer scientists and engineers working on the theoretical underpinnings of programming languages. The content likely reflects the state-of-the-art in academic research at the time of the symposium, serving as a historical record and a foundation for future work in the field.