(3steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
sub
functionality
wrt
le
1
1
1.
i1:
2.
i2:
3.
j1:
4.
j2:
5.
i1
j1
6.
i2
j2
i1+-i2
j1+-j2
By:
Backchain [
Thm*
i1,i2,j1,j2:
. i1
j1
i2
j2
i1+i2
j1+j2 ;
Thm*
i,j:
. i
j
-i
-j]
Generated subgoals:
None
About:
(3steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
j1
j2
i1+-i2j1+-j2
i1,i2,j1,j2:. i1j1 
i2j2 i1+i2j1+j2
;
Thm* i,j:. ij -i-j]
