Nuprl Lemma : l_contains_append
0,22
postcript
pdf
T
:Type,
A
,
B
:
T
List. l_contains(
T
;
A
;
A
@
B
)
latex
Definitions
l_contains(
T
;
A
;
B
)
,
x
L
.
P
(
x
)
,
x
.
t
(
x
)
,
{
T
}
,
P
Q
,
P
&
Q
,
P
Q
,
as
@
bs
,
Prop
,
P
Q
,
P
Q
,
(
x
l
)
,
x
:
A
.
B
(
x
)
,
t
T
Lemmas
l
member
wf
,
append
wf
,
member
append
,
implies
functionality
wrt
iff
,
all
functionality
wrt
iff
origin
T:Type, A, B:T List. l_contains(T;A;A @ B) T:Type, A, B:T List. l_contains(T;A;A @ B) x
L. P(x)
x. t(x)
Q
Q Q
Q l)x:A. B(x) T