PROLOG OPERATOR TESTS Written by Chris Moss, Dept. of Computing, Imperial College Contributed by Norbert Fuchs, Department of Computer Science, Zurich University Shelved on the 3rd of October 1988 You may have noticed there are subtle differences between the way different Prologs handle operator definitions. The test file below is designed to explore some of these on the lines of some of my earlier tests. Thanks to Hamish Taylor for some of these tests. Note that some of the answers are definitely WRONG. I leave you to decide which! [Chris Moss] SIZE: 12 kilobytes. CHECKED ON EDINBURGH-COMPATIBLE (POPLOG) PROLOG : Yes. PORTABILITY : That's what it's meant to test! INTERNAL DOCUMENTATION : Each test carries a very brief statement of its purpose.