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At: l before transitivity

  T:Type, l:T List, x,y,z:T.
  no_repeats(T;l x before y  l  y before z  l  x before z  l


By: Unfolds [`l_before`] 0


Generated subgoal:

1 1. T : Type
2. l : T List
3. x : T
4. y : T
5. z : T
6. no_repeats(T;l)
7. [xy l
8. [yz l
  [xz l

4 steps

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

(5steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc