(5steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
mul
cancel
in
le
1
1
1.
a:
2.
b:
3.
n:
4.
n
a
n
b
5.
n
a < n
b
n
a = n
b
a
b
By:
Analyze 5
Generated subgoals:
1
5.
n
a < n
b
a
b
2
5.
n
a = n
b
a
b
About:
(5steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a < nb
a
ba = nb ab
anba < nb 
na = nb aba < nb aba = nb ab
