Nuprl Lemma : strong-subtype-void
11,40
postcript
pdf
T
:Type. strong-subtype(Void;
T
)
latex
Definitions
x
:
A
.
B
(
x
)
,
strong-subtype(
A
;
B
)
,
A
c
B
,
x
:
A
.
B
(
x
)
,
P
Q
,
t
T
,
Lemmas
member
wf
,
subtype
rel
wf
origin
T:Type. strong-subtype(Void;T) T:Type. strong-subtype(Void;T) x:A. B(x)
B
x:A. B(x)
Q
T