This is Tricia 0.9.5, a Prolog system for Macintosh (and U**X) computers developed at the Computing Science Department of Uppsala University. You may do whatever you like with it, as it is hereby placed in the public domain. We do not take any responsibility for this software, neither do we (actively) support it. Therefore, YOU USE THIS SOFTWARE AT YOUR OWN RISK. Tricia requires System 7, 68020 or better and requires 3 Mb from the Finder.