Nuprl Lemma : fpf-sub-join-left2
0,22
postcript
pdf
A
:Type,
B
:(
A
Type),
eq
:EqDecider(
A
),
f
,
h
,
g
:
a
:
A
fp
B
(
a
).
h
f
h
f
g
latex
Definitions
t
T
,
x
(
s
)
,
x
:
A
.
B
(
x
)
,
x
.
t
(
x
)
,
f
g
,
P
Q
,
EqDecider(
T
)
,
a
:
A
fp
B
(
a
)
,
f
g
Lemmas
fpf-sub
wf
,
fpf
wf
,
deq
wf
,
fpf-sub
transitivity
,
fpf-join
wf
,
fpf-sub-join-left
origin
A:Type, B:(A
Type), eq:EqDecider(A), f, h, g:a:A fp B(a). h 
f 
h f 
g A:Type, B:(AType), eq:EqDecider(A), f, h, g:a:A fp B(a). h f h f g 
Tx:A. B(x)
x. t(x) g Q B(a) g