Def P & Q == PQ

is mentioned

In prior sections: core int 1 bool 1 hol hol bool hol combin hol sum int 2 hol num hol pair hol prim rec hol list 1 hol list 2 hol arithmetic 3 hol arithmetic 4 hol arithmetic 5 hol one fun 1 hol restr binder

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html