Def type_definition == P:'a. rep:'b'a. type_definition('a;'b;P;rep)

is mentioned by

Thm* exists(rep:hone  hbool. type_definition((b:hbool. b),rep))

[hone_ty_def]

In prior sections: hol bool

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