IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
sfa doc find small greater bound121 1. k : [not for witness]
2. k List
3. u : k 4. v : k List
5. y : (k+1)
6. y greater-bounds v [not for witness]
{y:(k+1)| y greater-bounds u.v }