is mentioned by

Def e <c e' == e e,e'. e <loc e'  isrcv(kind(e')) & e = sender(e')  E^+ e'

[w-causl]

In prior sections: mb nat mb list 2 mb event system 2 rel 1

Try larger context: EventSystems IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html