Nuprl Lemma : permute_list_wf
4,23
postcript
pdf
T
:Type,
L
:
T
List,
f
:(
||
L
||
||
L
||). (
L
o
f
)
T
List
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
||
as
||
,
{
i
..
j
}
,
i
j
,
P
Q
,
False
,
A
,
A
B
,
,
l
[
i
]
,
mklist(
n
;
f
)
,
(
L
o
f
)
Lemmas
mklist
wf
,
select
wf
,
non
neg
length
,
int
seg
wf
,
length
wf1
origin
T:Type, L:T List, f:(
||L||
||L||). (L o f) 
T List T:Type, L:T List, f:(||L||||L||). (L o f) T List Tx:A. B(x)
}
j
Q
A
B