mb event system 5 Sections EventSystems Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Def M1 ||decl M2 == 1of(M1) || 1of(M2) & 1of(2of(M1)) || 1of(2of(M2))

is mentioned by

Thm* M1,M2:MsgA. M1 ||decl M2  M1  M2  MsgA[ma-join_wf]

In prior sections: mb event system 4

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

mb event system 5 Sections EventSystems Doc