IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
eval factorization intseg null a,b:, f:({a..b}). ba{a..b}(f) = 1
By:
Def of {a..b}(f)
THEN
Rewrite by
Thm*f:(AAA), u:A, a,b:, e:({a..b}A).
Thm* ba (Iter(f;u) i:{a..b}. e(i)) = u
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
a,b:
, f:({a..b
}
a 
{a..b
