(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
int
lower
ind
1
1
1
2
1.
i:
2.
E:
{...i}
Prop
3.
E(i)
4.
k:{...i-1}. E(k+1)
E(k)
5.
j:
{...i}
6.
k:{...i}. k > j
E(k)
7.
j = i
E(j)
By:
BackThru 4
THEN
BackThru 6
Generated subgoals:
None
About:
(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
Prop
k:{...i-1}. E(k+1) 
E(k)k:{...i}. k > j E(k)
j = i
E(j)
