Step of Proof: fincr_wf
12,41
postcript
pdf
Inference at
*
1
3
1
0
2
1
2
I
of proof for Lemma
fincr
wf
:
.....set predicate..... NILNIL
1.
P
:
2.
j
:
. (
k
:
. (
k
<
j
)
(
P
(
k
)))
(
P
(
j
))
3.
n
:
0
(
n
+1)
latex
by Arith
latex
1
: .....wf..... NILNIL
1:
3.
n
:
1:
4. 0
n
1:
n
+1
2
: .....wf..... NILNIL
2:
3.
n
:
2:
4. 0
n
2:
0
.
Definitions
s
=
t
,
#$n
,
f
(
a
)
,
x
:
A
.
B
(
x
)
,
,
{
x
:
A
|
B
(
x
)}
,
,
x
:
A
B
(
x
)
,
Void
,
a
<
b
,
n
+
m
,
,
t
T
,
False
,
P
Q
,
A
,
A
B
origin