Nuprl Lemma : fun-connected-test
11,40
postcript
pdf
T
:Type,
f
:(
T
T
),
x
,
y
,
z
,
w
:
T
.
y
is
f
*(
x
)
z
is
f
*(
y
)
w
is
f
*(
z
)
w
is
f
*(
x
)
latex
Definitions
y
is
f
*(
x
)
,
x
:
A
B
(
x
)
,
P
Q
,
x
:
A
.
B
(
x
)
,
Type
,
t
T
,
s
=
t
Lemmas
fun-connected
wf
,
fun-connected
transitivity
origin