Def l_interval(l;j;i) == mklist(i-j;x.l[(j+x)])

is mentioned by

Thm* p:IdLnk List, i:||p||, j:(i+1). Thm* lpath(p)  lconnects(l_interval(p;j;i);source(p[j]);source(p[i]))

[lpath-members-connected]

In prior sections: mb event system 1

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