On Mon, Apr 2, 2012 at 1:41 PM, Luc Moreau <L.Moreau@ecs.soton.ac.uk> wrote:
>  Jim,
>
>  Ok, so
>
>  1. can you confirm that two alternates may not have any overlap in time?
>
Two copies of the same book, where copy A was destroyed before copy B was
made.
>  2. Is alternate reflexive or not?  With time based definition it seems
> it is. With specialisation based definition it seems it may not be (depends
> whether any entity is always a specialisation of some entity)
>
I think that it's okay for alternate to be reflexive. The controversy was
whether or not specialization is.
Jim
-- 
Jim McCusker
Programmer Analyst
Krauthammer Lab, Pathology Informatics
Yale School of Medicine
james.mccusker@yale.edu | (203) 785-6330
http://krauthammerlab.med.yale.edu
PhD Student
Tetherless World Constellation
Rensselaer Polytechnic Institute
mccusj@cs.rpi.edu
http://tw.rpi.edu