(14steps total)
PrintForm
Definitions
Lemmas
graph
1
1
Sections
Graphs
Doc
At:
l
before-iff
1
1.
T:
Type
2.
L:
T List
x,y:T. x before y
nil
(
L1,L2,L3:T List. nil = (L1 @ [x] @ L2 @ [y] @ L3))
By:
Auto
THEN
Obvious
Generated subgoals:
None
About:
(14steps total)
PrintForm
Definitions
Lemmas
graph
1
1
Sections
Graphs
Doc