(24steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: flip adjacent 1 2 1

1. k : 
2. x : k
3. y : k
4. n:x,y:ky-x = n  (L:(k-1) List. (xy) = compose_flips(L))
5. xy
  L:(k-1) List. (xy) = compose_flips(L)


By: InstHyp [y-x;x;y] -2


Generated subgoals:

None

About:
listintnatural_numbersubtractfunctionequalimpliesallexists
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(24steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc