Nuprl Lemma : es-interface-image-val
11,40
postcript
pdf
es
:ES,
A
:Type,
f
:Top,
Ia
:AbsInterface(
A
),
e
:E. (
(
e
Ia
))
(
f
'
Ia
(
e
) ~ (
f
(
Ia
(
e
))))
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
f
o
g
,
do-apply(
f
;
x
)
,
can-apply(
f
;
x
)
,
f
'
Ia
,
X
(
e
)
,
e
X
,
P
Q
,
ff
,
tt
,
if
b
then
t
else
f
fi
,
outl(
x
)
,
isl(
x
)
,
b
,
AbsInterface(
A
)
,
False
,
Lemmas
event
system
wf
,
top
wf
,
es-interface
wf
,
es-E
wf
,
false
wf
,
true
wf
origin
es:ES, A:Type, f:Top, Ia:AbsInterface(A), e:E. (
(e 
Ia)) 
(f'Ia(e) ~ (f(Ia(e)))) es:ES, A:Type, f:Top, Ia:AbsInterface(A), e:E. ((e Ia)) (f'Ia(e) ~ (f(Ia(e)))) Tx:A. B(x) X Qb