IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card sigma vs nsub sigma211 1. a :
2. 0<a 3. b:((a-1)). (i:(a-1)b(i)) ~ ( i:(a-1). b(i))
4. b : a ((i:(a-1)b(i))+(i:{(a-1)..a}b(i))) ~ (( i:(a-1). b(i))+b(a-1))
By:
Rewrite by Hyp:3
THEN
Rewrite by
Thm*a,a':. a'-a = 1 (B:({a..a'}Type). (i:{a..a'}B(i)) ~ B(a))