(3steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
minus
functionality
wrt
le
1
1
1.
i:
2.
j:
3.
j
i
-i
-j
By:
RA ((Assert (-(i+j)
-(i+j))) THEN (FwdThru
Thm*
i1,i2,j1,j2:
. i1
j1
i2
j2
i1+i2
j1+j2 [3;-1]))
Generated subgoals:
None
About:
(3steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
i
-i-j-(i+j)))
THEN
(FwdThru
Thm* 
i1,i2,j1,j2:. i1j1 
i2j2 i1+i2j1+j2
[3;-1]))