IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
hcomma def1111 1. 'a : S
2. 'b : S
3. x : 'a 4. y : 'b 5. x@0 : hprod('a; 'b)
6. (a:'a. b:'b. (a = 1of(x@0))(b = 2of(x@0)))
6. = (a:'a. b:'b. (a =x)(b =y))
<x,y> = x@0 hprod('a; 'b)
By:
Simp THEN Last (EquandMap (f.f(x,y)) ) THEN Simp THEN StrongAuto