Nuprl Lemma : l_member_set
11,40
postcript
pdf
A
:Type,
P
:(
A
prop{i:l}),
L
:(
A
List),
x
:
A
. l_all(
L
;
A
;
x
.
P
(
x
))
guard(((
x
L
)
(
x
L
)))
latex
Definitions
x
(
s
)
,
guard(
T
)
,
x
.
t
(
x
)
,
l_all(
L
;
T
;
x
.
P
(
x
))
,
(
x
l
)
,
x
:
A
.
B
(
x
)
,
l
[
i
]
,
ge(
i
;
j
)
,
A
c
B
,
subtype(
S
;
T
)
,
x
:
A
.
B
(
x
)
,
,
A
B
,
A
,
False
,
P
Q
,
||
as
||
,
t
T
,
prop{i:l}
Lemmas
list-set-type2
,
select
wf
,
length
wf1
,
l
all
wf
,
l
member
wf
origin