(13steps)
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Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
cancel
in
eq
1
1.
a:
2.
b:
3.
n:
n
a = n
b
a = b
By:
Assert (
m:
. m
a = m
b
a = b)
Generated subgoals:
1
4.
m:
5.
m
a = m
b
a = b
2
4.
m:
. m
a = m
b
a = b
5.
n
a = n
b
a = b
About:
(13steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a = mb
a = b
m:. ma = mb 
a = ba = nb a = b
na = nb a = bm:. ma = mb a = b)a = mb a = bm:. ma = mb a = ba = nb a = b
