(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
int
seg
ind
1
1
1
1
1
1
1.
i:
2.
j:
{i+1...}
3.
E:
{i..j
}
Prop
4.
E(i)
5.
k:{(i+1)..j
}. E(k-1)
E(k)
6.
n:
{i..j
}
7.
k:{i..j
}. k < n
E(k)
8.
n = i
9.
n = i
{i..j
}
E(n)
By:
HypSubst 9 0
Generated subgoals:
None
About:
(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
}
Prop
k:{(i+1)..j
E(k)
{i..j
E(n)