Some definitions of interest.
ma-is-empty	Def ma-is-empty(M) Def == fpf-is-empty(1of(M))fpf-is-empty(1of(2of(M))) Def == fpf-is-empty(1of(2of(2of(M))))fpf-is-empty(1of(2of(2of(2of(M))))) Def == fpf-is-empty(1of(2of(2of(2of(2of(M)))))) Def == fpf-is-empty(1of(2of(2of(2of(2of(2of(M))))))) Def == fpf-is-empty(1of(2of(2of(2of(2of(2of(2of(M)))))))) Def == fpf-is-empty(1of(2of(2of(2of(2of(2of(2of(2of(M)))))))))
msg-form	Def MsgAForm Def == x:Id fp-> Topx:Knd fp-> Typex:Id fp-> Topx:Id fp-> Top Def == x:KndId fp-> Topx:KndIdLnk fp-> Topx:Id fp-> Topx:IdLnkId fp-> Top Def == Top

About: IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html