Def gt == m:. n:. n<m

is mentioned by

Thm* all(m:hnum. all(n:hnum. equal(ge(m,n),or(gt(m,n),equal(m,n)))))	[hgreater_or_eq]
Thm* all(m:hnum. all(n:hnum. equal(gt(m,n),lt(n,m))))	[hgreater_def]

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