Nuprl Lemma : strong-subtype-set2
0,22
postcript
pdf
A
:Type,
P
:(
A
Prop). strong-subtype({
x
:
A
|
P
(
x
) };
A
)
latex
Definitions
x
:
A
.
B
(
x
)
,
strong-subtype(
A
;
B
)
,
A
&
B
,
P
Q
,
x
:
A
.
B
(
x
)
,
x
(
s
)
,
Prop
,
t
T
origin
A:Type, P:(A
Prop). strong-subtype({x:A| P(x) };A) A:Type, P:(AProp). strong-subtype({x:A| P(x) };A) 
x:A. B(x)
Qx:A. B(x)
T