(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
preserves
lt
1
2
1.
a:
2.
b:
3.
a < b
4.
n:
5.
1 < n
6.
(n-1)
a < (n-1)
b
n
a < n
b
By:
OnMHyps [3;6] (Rewrite (LemmaC
Thm*
i,j:
. i < j
i+1
j))
Generated subgoal:
1
3.
a+1
b
4.
n:
5.
1 < n
6.
(n-1)
a+1
(n-1)
b
n
a < n
b
About:
(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
b
a+1(n-1)b
na < nba < (n-1)b na < nb
i,j:. i < j 
i+1j))ba+1(n-1)b na < nb
