IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
rel plus implies T:Type, R:(TTProp), x,y:T.
(xR^+ y) (xRy) (z:T. (xR^+ z) & (zRy))
By:
Auto THEN Unfold `rel_plus` -1 THEN Reduce -1 THEN ExRepD THEN MoveToConcl -1
THEN
MoveToConcl -2
THEN
MoveToConcl -2
THEN
NatPlusInd -1
1. T : Type
2. R : TTProp
3. n : 4. 0<n 5. 0<n-1 (x,y:T. (xR^n-1 y) (xRy) (z:T. (xR^+ z) & (zRy)))
6. n = 1
7. 0<1
8. x : T 9. y : T 10. xR^1 y (xRy) (z:T. (xR^+ z) & (zRy))