(5steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
cancel
in
le
1
1
2
1.
a:
2.
b:
3.
n:
4.
n
a
n
b
5.
n
a = n
b
a
b
By:
FwdThru
Thm*
a,b:
, n:
. n
a = n
b
a = b [5]
Generated subgoals:
None
About:
(5steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a
nba = nb
ab
a,b:, n:
. na = nb 
a = b
[5]
