Nuprl Lemma : fpf-single-dom
11,40
postcript
pdf
A
:Type,
eq
:EqDecider(
A
),
x
,
y
:
A
,
v
:top. (
fpf-dom(
eq
;
x
; fpf-single(
y
;
v
)))
(
x
=
y
)
latex
Definitions
x
:
A
.
B
(
x
)
,
t
T
,
P
Q
,
b
,
fpf-dom(
eq
;
x
;
f
)
,
fpf-single(
x
;
v
)
,
deq-member(
eq
;
x
;
L
)
,
t
.1
,
reduce(
f
;
k
;
as
)
,
ff
,
Y
,
P
Q
,
P
Q
,
prop{i:l}
,
P
Q
,
if
b
then
t
else
f
fi
,
P
Q
,
False
Lemmas
top
wf
,
deq
wf
,
iff
functionality
wrt
iff
,
assert
wf
,
bor
wf
,
eqof
wf
,
bfalse
wf
,
false
wf
,
assert
of
bor
,
or
functionality
wrt
iff
,
deq
property
origin