Formal Methods in Computer Aided Design : 4th International Conference FMCAD 2002 Portland OR USA November 6–8 2002 Proceedings This book constitutes the refereed proceedings of the 4th International Conference on Formal Methods in Computer Aided Design FMCAD 2002 held in Portland OR USA in November 2002. The 23 revised full papers presented were carefully reviewed and selected from 47 submissions. The book offers topial sections on abstraction symbolic simulation model checking microprocessor specification and verification decision procedures verification techniques and methodology hardware description languages and prototyping and synthesis