(12steps total)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
pos
mul
arg
bounds
a
,
b
:
.
a
b
>0
a
>0 &
b
>0
a
<0 &
b
<0
By:
Auto
Generated subgoals:
1
1.
a
:
2.
b
:
3.
a
b
>0
a
>0 &
b
>0
a
<0 &
b
<0
8
steps
2
1.
a
:
2.
b
:
3.
a
>0 &
b
>0
a
<0 &
b
<0
a
b
>0
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(12steps total)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
a,b:
. a
b>0 
a>0 & b>0 
a<0 & b<0 a,b:. ab>0 a>0 & b>0 a<0 & b<0
b>0
a>0 & b>0 a<0 & b<0
a<0 & b<0
ab>0
