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Level
editAt present this article is said to be an instance of a projective configuration. Such a definition assumes a reader has a higher level of understanding of this subject than a first-time student. Abstraction has preceeded accumulation of instances to be abstracted. The article should address the quadrangle at a more introductory level.Rgdboer (talk) 02:18, 13 October 2010 (UTC)
- Thank you David Eppstein for such prompt attention to this readability issue.Rgdboer (talk) 03:01, 13 October 2010 (UTC)