[protege-discussion] Using multiple necessary and sufficient blocks

[Thomas Russ]

Should be on the OWL list, but...

On Oct 14, 2006, at 7:04 PM, Alan March wrote:

> Hi all.
>
> Could someone please explain the reasons for using multiple  
> necessary and
> sufficient blocks? And probably provide an example?

Triangle ==  Polygon and exactly 3 angles
Triangle ==  Polygon and exactly 3 sides

Two sets of necessary and sufficient conditions.