mb event system 6 Sections EventSystems Doc
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Def (x after e) == s(1of(e);2of(e)+1).x

is mentioned

In prior sections: mb event system 3

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

mb event system 6 Sections EventSystems Doc