Nuprl Lemma : es-interface-filter_wf
11,40
postcript
pdf
es
:ES,
A
:Type,
X
:AbsInterface(
A
),
P
:(
A
).
X
|
a
.
P
(
a
)
AbsInterface(
A
)
latex
Definitions
s
=
t
,
t
T
,
x
:
A
B
(
x
)
,
x
:
A
.
B
(
x
)
,
ES
,
Type
,
Top
,
left
+
right
,
E
,
,
Void
,
x
:
A
.
B
(
x
)
,
,
Unit
,
Decision
,
inr
x
,
f
(
a
)
,
x
(
s
)
,
if
b
then
t
else
f
fi
,
case
b
of inl(
x
) =>
s
(
x
) | inr(
y
) =>
t
(
y
)
,
x
.
A
(
x
)
,
X
|
a
.
P
(
a
)
,
AbsInterface(
A
)
Lemmas
ifthenelse
wf
,
it
wf
,
unit
wf
,
bool
wf
,
es-E
wf
,
top
wf
,
event
system
wf
origin
es:ES, A:Type, X:AbsInterface(A), P:(A
). X|a.P(a) 
AbsInterface(A) es:ES, A:Type, X:AbsInterface(A), P:(A). X|a.P(a) AbsInterface(A) TB(x)x:A. B(x)
x:A.B(x)
x.A(x)