Using the EMAS Prolog system

KEY PROLOG 1.1 Preface 1.2 Using Prolog - Overview 1.3 Access to EMAS Prolog 1.4 Reading-in Programs 1.5 Using files, and calling EMAS commands from within Prolog 1.6 Directives: Questions and Commands 1.7 Syntax Errors 1.8 Saving A Program 1.9 Restoring A Saved Program 1.10 Program Execution And Interruption 1.11 Nested executions - break and abort 1.12 Exiting From The Interpreter 1.13 Debugging facilities 1.14 Prolog Syntax 1.14.1 Terms 1.14.2 Operators 1.15 Using a Terminal without Lower-Case