Remove subscripts from interdependence definition, simplify.
Remove subscripts from interdependence definition, simplify.

Fix #227.

dimkarakostas/rupture,dimkarakostas/rupture,dimriou/rupture,dimkarakostas/rupture,dimkarakostas/rupture,esarafianou/rupture,dimriou/rupture,dimriou/rupture,esarafianou/rupture,dimriou/rupture,dionyziz/rupture,esarafianou/rupture,dionyziz/rupture,dionyziz/rupture,esarafianou/rupture,dionyziz/rupture,dimkarakostas/rupture,dionyziz/rupture,dimriou/rupture