(13steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: l member decomp 2

1. T : Type
2. T List
3. u : T
4. v : T List
5. x:T. (x  v (l1,l2:T List. v = (l1 @ [x] @ l2))
6. x : T
7. x = u  (x  v)
  l1,l2:T List. [u / v] = (l1 @ [x] @ l2)


By: Analyze -1


Generated subgoals:

1 7. x = u
  l1,l2:T List. [u / v] = (l1 @ [x] @ l2)

1 step
2 7. (x  v)
  l1,l2:T List. [u / v] = (l1 @ [x] @ l2)

3 steps

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

(13steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc