(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
preserves
lt
1
2
1
1
1.
a:
2.
b:
3.
a+1
b
4.
n:
5.
1 < n
6.
(n-1)
a+1
(n-1)
b
7.
a+1+(n-1)
a+1
b+(n-1)
b
n
a < n
b
By:
Auto
Generated subgoals:
None
About:
(6steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc