[tdwg-content] Treatise on Occurrence, tokens, and basisOfRecord [SEC=UNCLASSIFIED]

Hilmar Lapp hlapp at nescent.org
Thu Oct 28 21:27:39 CEST 2010

On Oct 28, 2010, at 12:37 PM, Roger Hyam wrote:

> What exactly is an individual? A flock? A herd? A breading pair? A  
> colony? A clonal stand?

One or more members of a class, for example, the class defined as all  
members of a taxon.

>  And of course the individual that was not there - the absence!

No member is not included in one or more members, so negation needs to  
be treated differently (in a reasoning framework, that is; how it is  
recorded matters less).

: Hilmar Lapp  -:- Durham, NC -:- informatics.nescent.org :

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