Nuprl Lemma : l_member_wf
11,40
postcript
pdf
T
:Type,
x
:
T
,
l
:(
T
List). (
x
l
)
prop{i:l}
latex
Definitions
False
,
A
,
P
Q
,
A
B
,
A
c
B
,
x
:
A
.
B
(
x
)
,
(
x
l
)
,
prop{i:l}
,
t
T
,
x
:
A
.
B
(
x
)
,
Lemmas
select
wf
,
length
wf1
,
nat
wf
origin
T:Type, x:T, l:(T List). (x 
l) prop{i:l} T:Type, x:T, l:(T List). (x l) prop{i:l} 
A
Q
B
B
x:A. B(x) l) Tx:A. B(x)