Nuprl Lemma : list-diff_wf
0,22
postcript
pdf
T
:Type,
eq
:EqDecider(
T
),
as
,
bs
:
T
List. list-diff(
eq
;
as
;
bs
)
T
List
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
EqDecider(
T
)
,
deq-member(
eq
;
x
;
L
)
,
b
,
filter(
P
;
l
)
,
list-diff(
eq
;
as
;
bs
)
Lemmas
filter
wf
,
bnot
wf
,
deq-member
wf
,
deq
wf
origin
T:Type, eq:EqDecider(T), as, bs:T List. list-diff(eq;as;bs) 
T List T:Type, eq:EqDecider(T), as, bs:T List. list-diff(eq;as;bs) T List Tx:A. B(x)
b