Nuprl Lemma : strong-subtype-self
11,40
postcript
pdf
A
:Type. strong-subtype(
A
;
A
)
latex
Definitions
x
:
A
.
B
(
x
)
,
strong-subtype(
A
;
B
)
,
A
c
B
,
x
:
A
.
B
(
x
)
,
P
Q
,
t
T
,
prop{i:l}
Lemmas
subtype
rel
self
origin
A:Type. strong-subtype(A; A) A:Type. strong-subtype(A; A) x:A. B(x)
B
x:A. B(x)
Q
T