(11steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: l tricotomy 1 1 2

1. T : Type
2. x : T
3. y : T
4. L : T List
5. i1 : 
6. i1<||L||
7. x = L[i1]
8. i : 
9. i<||L||
10. y = L[i]
11. i1<i
12. j : 2
13. j = 0
  [xy][j] = L[i]


By: Subst' (j = 1) 0 THEN Reduce 0


Generated subgoals:

None

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

(11steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc