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From: forbus@uiucdcsp.cs.uiuc.edu
Newsgroups: comp.lang.lisp
Subject: Re: Circular Lists
Message-ID: <80300005@uiucdcsp>
Date: Wed, 4-Mar-87 13:25:00 EST
Article-I.D.: uiucdcsp.80300005
Posted: Wed Mar  4 13:25:00 1987
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Nf-From: uiucdcsp.cs.uiuc.edu!forbus    Mar  4 12:25:00 1987


Almost always.  One typically wants to have backpointers in complex
datastructures, yielding a circularity right there.