(13steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
cancel
in
eq
1
2
1.
a:
2.
b:
3.
n:
4.
m:
. m
a = m
b
a = b
5.
n
a = n
b
a = b
By:
Decide (n > 0)
Generated subgoals:
1
6.
n > 0
a = b
2
6.
n > 0
a = b
About:
(13steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a = b
n > 0 a = b
m:
. m
a = mb 
a = ba = nb a = b a = bn > 0 a = b
