HOLlib Sections NuprlLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Def abs_sum == f:'a'b. @u:'a+'b. (rep_sum(u) = f  'a'b)

is mentioned

In prior sections: hol sum

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

HOLlib Sections NuprlLIB Doc