This book constitutes the refereed proceedings of the First International Conference on the Theory and Application of Diagrams, Diagrams 2000, held in Edinburgh, Scotland, UK in September 2000.
The 31 revised full papers presented together with 9 posters were carefully reviewed and selected from around 100 submissions. The papers are organized in topical sections on logic and diagrams, theoretical concerns about diagrams, human communication with diagrams, diagrammatic reasoning and proof systems, and diagrams for systems versus systems for diagrams.