(4steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
bounds
1b
1
1
1.
a:
2.
b:
a
0 < a
b
By:
BackThru
Thm*
a,b:
, n:
. a < b
n
a < n
b
Generated subgoals:
None
About:
(4steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a
0 < ab
a,b:
, n:. a < b 
na < nb
