Subject: [SWIPL] element=singleton list

From: "Bouquard Jean-Louis" <[email-masked]>
Date: Wed, 7 Feb 2001 11:50:55 +0100

How do you explain the confusion between a number N and a list of a number [N]?
 For instance, "?- [2]<3." succeeds and "?- X is [2]+3." leads to X=5. 
Jean-louis Bouquard