Nuprl Lemma : fpf-trivial-subtype-top
11,40
postcript
pdf
A
:Type,
B
:(
A
Type),
f
:fpf(
A
;
a
.
B
(
a
)).
f
fpf(
A
;
a
.top)
latex
Definitions
x
:
A
.
B
(
x
)
,
x
(
s
)
,
t
T
,
top
,
x
.
t
(
x
)
,
P
Q
Lemmas
subtype-fpf3
,
top
wf
,
strong-subtype-self
,
fpf
wf
origin
A:Type, B:(A
Type), f:fpf(A; a.B(a)). f 
fpf(A; a.top) A:Type, B:(AType), f:fpf(A; a.B(a)). f fpf(A; a.top) x:A. B(x) T
x. t(x)
Q