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Re: [ontolog-forum] What words mean

To: "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Christopher Menzel <cmenzel@xxxxxxxx>
Date: Mon, 25 Feb 2008 13:20:48 -0600
Message-id: <27E8E05D-7090-40AD-8EE6-260DCF638282@xxxxxxxx>
> On "multi-rooted trees" - assuming that these are not a set of  
> structures that are independent of each other,    (01)

Multi-root trees (when allowed) necessarily consist of multiple  
"independent" (i.e., pairwise disconnected) single-root trees.    (02)

> having multiple roots requires that at least one node has at least  
> two parents.    (03)

By any standard definition, no such structure is a tree.    (04)

-chris    (05)

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