Step of Proof: nat_ind
12,41
postcript
pdf
Inference at
*
1
0
1
1
2
I
of proof for Lemma
nat
ind
:
.....wf..... NILNIL
1.
P
:
{k}
2.
P
(0)
3.
i
:
.
P
(
i
- 1)
P
(
i
)
4.
j
:
5.
j
< 0
6. ((
j
+1)
0 )
P
(
j
+1)
(
j
0 )
latex
by Repeat MemEqCD
latex
.
Definitions
f
(
a
)
,
n
+
m
,
a
<
b
,
,
n
-
m
,
P
Q
,
,
x
(
s
)
,
,
,
i
j
,
x
:
A
B
(
x
)
,
s
=
t
,
#$n
,
x
:
A
.
B
(
x
)
,
t
T
Lemmas
ge
wf
origin