mb event system 7 Sections EventSystems Doc
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Def @ix:T initially x = v(j)
Def == if eqof(IdDeq)(j,i) x : T initially x = v else  fi

is mentioned

In prior sections: mb event system 6

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

mb event system 7 Sections EventSystems Doc