Nuprl Lemma : can-apply_wf
11,40
postcript
pdf
A
:Type,
f
:(
A
(top + top)),
x
:
A
. can-apply(
f
;
x
)
latex
Definitions
t
T
,
f
(
a
)
,
top
,
x
:
A
.
B
(
x
)
,
isl(
x
)
,
left
+
right
,
x
:
A
B
(
x
)
,
Type
,
can-apply(
f
;
x
)
Lemmas
isl
wf
,
top
wf
origin
A:Type, f:(A
(top + top)), x:A. can-apply(f; x) 
A:Type, f:(A(top + top)), x:A. can-apply(f; x) Tx:A. B(x)B(x)