Nuprl Lemma : decl-type_wf
11,40
postcript
pdf
ds
:fpf(Id;
x
.Type),
x
:Id. decl-type{i:l}(
ds
;
x
)
Type
latex
Definitions
Id
,
t
T
,
Type
,
x
.
t
(
x
)
,
x
:
A
.
B
(
x
)
,
fpf(
A
;
a
.
B
(
a
))
,
void
,
id-deq
,
x
.
A
(
x
)
,
fpf-cap(
f
;
eq
;
x
;
z
)
,
decl-type{i:l}(
ds
;
x
)
Lemmas
fpf-cap
wf
,
id-deq
wf
,
fpf
wf
,
Id
wf
origin
ds:fpf(Id; x.Type), x:Id. decl-type{i:l}(ds; x) 
Type ds:fpf(Id; x.Type), x:Id. decl-type{i:l}(ds; x) Type T
x. t(x)x:A. B(x)x.A(x)