Def fact == n:. fact(n)

is mentioned by

Thm* and Thm* (equal(fact(0),1) Thm* ,all(n:hnum. equal(fact(suc(n)),mult(suc(n),fact(n)))))

[hfact_wd]

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