Def P & Q == PQ

is mentioned by

Thm* n:, i:{1..n}. 0 = 0 & n = 0  False	[ite_rw_test]
Thm* p,q:. (pq)  p & q	[assert_of_band]
Thm* b:. 0b2i(b) & b2i(b)1	[b2i_bounds]

In prior sections: core int 1

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