(4steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
bounds
1a
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:. ab 
nanb
