Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!apple!julius.cs.uiuc.edu!wuarchive!sdd.hp.com!ucsd!ucbvax!bloom-beacon!eru!hagbard!sunic!mcsun!hp4nl!kubix!weigand From: weigand@kub.nl (Hans Weigand) Newsgroups: comp.object Subject: Re: Examples of Multiple Inheritance? Keywords: generalization, MI Message-ID: <1990Dec11.130720.2525@kub.nl> Date: 11 Dec 90 13:07:20 GMT References: <60700005@inmet> <1990Dec6.020928.13319@Think.COM> <1990Dec6.185634.24199@crl.dec.com> Organization: Tilburg University, The Netherlands Lines: 14 In article <1990Dec6.185634.24199@crl.dec.com> halbert@crl.dec.com writes: > >The DEC Trellis language provides multiple inheritance. .. > ... However, most uses are not of the >Teacher/Student type of combination, where two conceptually "equal" >types are merged. Just a side remark, but I doubt that even in this case the two concepts merged are equally important. Teacher-assistant is primarily a subtype of Teacher, besides subtypes like professor, assistant-professor etc. On the Student side, there is not such a subcategorization. Hans Weigand weigand@kub.nl Tilburg University