Def EqDecider(T) == eq:TTx,y:T. x = y  (eq(x,y))

is mentioned

In prior sections: mb event system 2 mb event system 3 mb event system 4 mb event system 5

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