Nuprl Lemma : fpf-sub-reflexive
0,22
postcript
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A
:Type,
B
:(
A
Type),
eq
:EqDecider(
A
),
f
:
a
:
A
fp
B
(
a
).
f
f
latex
Definitions
f
g
,
a
:
A
fp
B
(
a
)
,
EqDecider(
T
)
,
x
.
t
(
x
)
,
x
:
A
.
B
(
x
)
,
P
Q
,
x
(
s
)
,
t
T
Lemmas
fpf-sub
weakening
,
deq
wf
,
fpf
wf
origin
A:Type, B:(A
Type), eq:EqDecider(A), f:a:A fp B(a). f 
f A:Type, B:(AType), eq:EqDecider(A), f:a:A fp B(a). f f g B(a)
x. t(x)x:A. B(x)
Q
T