Nuprl Lemma : fpf-dom_wf
11,40
postcript
pdf
A
:Type,
eq
:EqDecider(
A
),
f
:fpf(
A
;
a
.top),
x
:
A
. fpf-dom(
eq
;
x
;
f
)
latex
Definitions
x
:
A
.
B
(
x
)
,
fpf(
A
;
a
.
B
(
a
))
,
t
T
,
fpf-dom(
eq
;
x
;
f
)
,
x
.
t
(
x
)
,
x
(
s
)
,
prop{i:l}
Lemmas
deq-member
wf
,
pi1
wf
,
l
member
wf
,
top
wf
,
deq
wf
origin
A:Type, eq:EqDecider(A), f:fpf(A; a.top), x:A. fpf-dom(eq; x; f) 
A:Type, eq:EqDecider(A), f:fpf(A; a.top), x:A. fpf-dom(eq; x; f) x:A. B(x) T
x. t(x)