Nuprl Lemma : l-union_wf
0,22
postcript
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T
:Type,
eq
:EqDecider(
T
),
as
,
bs
:
T
List. l-union(
eq
;
as
;
bs
)
T
List
latex
Definitions
Type
,
t
T
,
x
:
A
.
B
(
x
)
,
EqDecider(
T
)
,
type
List
,
insert(
a
;
L
)
,
x
.
A
(
x
)
,
reduce(
f
;
k
;
as
)
,
l-union(
eq
;
as
;
bs
)
Lemmas
reduce
wf
,
insert
wf
,
deq
wf
origin
T:Type, eq:EqDecider(T), as, bs:T List. l-union(eq;as;bs) 
T List T:Type, eq:EqDecider(T), as, bs:T List. l-union(eq;as;bs) T List Tx:A. B(x)
x.A(x)