Nuprl Lemma : fpf-join-dom-da
0,22
postcript
pdf
f
,
g
:
x
:Knd fp
Type,
x
:Knd.
x
dom(
f
g
)
x
dom(
f
)
x
dom(
g
)
latex
Definitions
a
:
A
fp
B
(
a
)
,
x
:
A
.
B
(
x
)
,
x
.
t
(
x
)
,
t
T
,
Knd
,
f
g
,
P
Q
,
P
&
Q
,
P
Q
,
P
Q
,
P
Q
,
Prop
,
b
,
x
dom(
f
)
,
KindDeq
,
Top
Lemmas
fpf-trivial-subtype-top
,
Kind-deq
wf
,
fpf-dom
wf
,
assert
wf
,
top
wf
,
fpf-join
wf
,
fpf-join-dom
,
iff
functionality
wrt
iff
,
Knd
wf
,
fpf
wf
origin