Table of contents : Semantics for Prolog via term rewrite systems....Pages 3-14 Hierarchical contextual rewriting with several levels....Pages 15-30 Confluence of conditional rewrite systems....Pages 31-44 Solving goals in equational languages....Pages 45-55 On the use of conditional rewrite rules in inductive theorem proving....Pages 56-61 A completion procedure for conditional equations....Pages 62-83 A compiler for a class of conditional term rewriting systems....Pages 84-90 Notes on the elimination of conditions....Pages 91-97 Equational axiomatizations of if-then-else....Pages 98-110 Compiling conditional rewriting systems....Pages 111-128 Positive/negative conditional rewriting....Pages 129-143 On word problems in Horn theories....Pages 144-160 Conditional specifications with inequational assumptions....Pages 161-178 A logical analysis on theory of conditional rewriting....Pages 179-196 Computing with conditional rewrite rules....Pages 197-211 A logic for conditional term rewriting systems....Pages 212-227 Confluent term rewriting systems with membership conditions....Pages 228-241 TRSPEC: A term rewriting based system for algebraic specifications....Pages 245-248 CEC: A system for the completion of conditional equational specifications....Pages 249-250 Asspegique....Pages 251-252 REVEUR4: A laboratory for conditional rewriting....Pages 253-257 An introduction to OBJ 3....Pages 258-263 The Passau RAP system: Rapid prototyping for algebraic specifications....Pages 264-265 Architecture for conditional term rewriting....Pages 266-278