Step of Proof: mul_bounds_1b
12,41
postcript
pdf
Inference at
*
1
I
of proof for Lemma
mul
bounds
1b
:
1.
a
:
2.
b
:
0 < (
a
*
b
)
latex
by Assert (
a
* 0) < (
a
*
b
)
latex
1
: .....assertion..... NILNIL
1:
(
a
* 0) < (
a
*
b
)
2
:
2:
3. (
a
* 0) < (
a
*
b
)
2:
0 < (
a
*
b
)
.
Definitions
a
<
b
,
#$n
,
n
*
m
origin