Nuprl Lemma : fpf-sub-join
0,22
postcript
pdf
A
:Type,
B
:(
A
Type),
eq
:EqDecider(
A
),
f
,
g
:
a
:
A
fp
B
(
a
).
f
||
g
{
f
f
g
&
g
f
g
}
latex
Definitions
P
Q
,
x
:
A
.
B
(
x
)
,
x
.
t
(
x
)
,
x
(
s
)
,
t
T
,
EqDecider(
T
)
,
a
:
A
fp
B
(
a
)
,
f
||
g
,
f
g
,
P
&
Q
,
{
T
}
Lemmas
fpf-compatible
wf
,
fpf
wf
,
deq
wf
,
fpf-sub-join-left
,
fpf-sub-join-right
origin
A:Type, B:(A
Type), eq:EqDecider(A), f, g:a:A fp B(a). f || g 
{f 
f 
g & g f g} A:Type, B:(AType), eq:EqDecider(A), f, g:a:A fp B(a). f || g {f f g & g f g} Qx:A. B(x)
x. t(x)
T B(a) g