Def x:A. B(x) == x:AB(x)

is mentioned by

Thm* 'a:S, e:'a. Thm* (fn:(Unit'a). fn() = e) Thm* & (fn,y:(Unit'a). fn() = e & y() = e  fn = y)

[one_axiom_2]

In prior sections: core fun 1 hol hol bool

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