Nuprl Lemma : eclcatch-l_wf
11,40
postcript
pdf
ds
:
x
:Id fp
Type,
da
:
k
:Knd fp
Type,
x
:ecl(
ds
;
da
).
(
eclcatch?(
x
))
(eclcatch-l(
x
)
(
List))
latex
Definitions
x
.
t
(
x
)
,
if
b
then
t
else
f
fi
,
tt
,
ff
,
eclcatch-l(
x
)
,
t
T
,
eclcatch?(
x
)
,
b
,
P
Q
,
x
:
A
.
B
(
x
)
,
x
(
s
)
,
False
,
ecl(
ds
;
da
)
,
eclcatch(
a
;
l
)
,
eclthrow(
a
;
n
)
,
a
.
n
,
[
a
]*
,
eclor(
a
;
b
)
,
ecland(
a
;
b
)
,
eclseq(
a
;
b
)
,
,
eclbase(
k
;
test
)
Lemmas
Id
wf
,
Knd
wf
,
fpf
wf
,
ecl
wf
,
eclcatch?
wf
,
assert
wf
,
true
wf
,
false
wf
origin
ds:x:Id fp
Type, da:k:Knd fp Type, x:ecl(ds;da).
eclcatch?(x)) 
(eclcatch-l(x) 
(
List)) ds:x:Id fp Type, da:k:Knd fp Type, x:ecl(ds;da).
eclcatch?(x)) (eclcatch-l(x) ( List)) 
x. t(x) Tb Qx:A. B(x)