Step of Proof: fincr_formation
12,41
postcript
pdf
Inference at
*
1
2
2
2
I
of proof for Lemma
fincr
formation
:
.....falsecase..... NILNIL
1.
i
:
2.
f
: {
f
|
i
:{
i1
:
|
i1
(
i
,
j
.
i
<
j
)
i
}
if (
i
=
0) then
else {
f
(
i
- 1)...} fi }
3.
j
:{
k
:
|
k
<
i
} .
f
(
j
)
4.
i
0
{
f
(
i
- 1)...}
latex
by (With
f
(
i
- 1)+1 (D 0))
latex
1
: .....wf..... NILNIL
1:
f
(
i
- 1)+1
2
:
2:
(
f
(
i
- 1))
(
f
(
i
- 1)+1)
3
: .....wf..... NILNIL
3:
5.
j
:
3:
((
f
(
i
- 1))
j
)
.
Definitions
{
i
...}
,
,
t
T
Lemmas
le
wf
origin