IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
fincr formation121 1. i :
2. f : {f | i:{i1:| i1 (i,j. i<j) i } if i=0 else {f(i-1)...} fi}
j:{k:| k<i }. f(j)
By:
(AbReduce -1 THEN Analyze 0) THEN (Analyze -1) THEN (CompNatInd -2)