IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
flip adjacent121 1. k : 2. x : k 3. y : k 4. n:, x,y:k. y-x = n (L:(k-1) List. (x, y) = compose_flips(L))
5. xy L:(k-1) List. (x, y) = compose_flips(L)
By:
InstHyp [y-x;x;y] -2
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html