IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
rel plus implies211111 1. T : Type
2. R : TTProp
3. n : 4. 0<n 5. n = 1
6. 0<n 7. x : T 8. y : T 9. n = 0
10. z : T 11. xRz 12. zR^n-1 y 13. x,y:T. (xR^n-1 y) (xRy) (z:T. (xR^+ z) & (zRy))
14. zRy xR^+ z
By:
Unfold `rel_plus` 0 THEN Reduce 0 THEN InstConcl [1] THEN Reduce 0