(3steps total)
PrintForm
Definitions
Lemmas
SimpleMulFacts
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
div
inverts
nat
mul2
1
1.
x
:
2.
y
:
3.
z
:
.
x
=
y
z
(
x
z
) =
y
4.
z
:
5.
x
=
y
z
(
x
z
) =
y
By:
Guarding (<prop> & <prop>)
FwdThru:
Thm*
a
,
b
:
. 0<
a
b
0<
a
& 0<
b
on [ 0<
y
z
] ...
Generated subgoal:
1
6. 0<
y
7. 0<
z
(
x
z
) =
y
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(3steps total)
PrintForm
Definitions
Lemmas
SimpleMulFacts
Sections
DiscrMathExt
Doc