Nuprl Lemma : l_interval_wf
0,22
postcript
pdf
T
:Type,
l
:
T
List,
i
:
||
l
||,
j
:
(
i
+1). l_interval(
l
;
j
;
i
)
T
List
latex
Definitions
l_interval(
l
;
j
;
i
)
,
mklist(
n
;
f
)
,
l
[
i
]
,
P
Q
,
{
i
..
j
}
,
||
as
||
,
x
:
A
.
B
(
x
)
,
t
T
Lemmas
length
wf1
,
int
seg
wf
,
select
wf
,
mklist
wf
origin
T:Type, l:T List, i:
||l||, j:(i+1). l_interval(l;j;i) 
T List T:Type, l:T List, i:||l||, j:(i+1). l_interval(l;j;i) T List 
Q
}x:A. B(x) T