[Zope3-Users] How To Solve in Zope 3

[Fermigier Stefane]

Gary Poster wrote:

>
> - Jean-Marc Orliaguet's relationship code, which is based on 
> extrinsic triadic relationships, GPL, and used for CPSSkins;


Cf.

http://svn.z3lab.org/trac/z3lab/file/cpsskins/branches/jmo-perspectives/doc/peirce-relations.txt
http://svn.z3lab.org/trac/z3lab/browser/cpsskins/branches/jmo-perspectives/relations/

in case you didn't find it naturally.

  S.