Nuprl Lemma : deq_property
11,40
postcript
pdf
T
:Type,
d
:EqDecider(
T
),
x
,
y
:
T
. (
x
=
y
)
(
(eqof(
d
)(
x
,
y
)))
latex
Definitions
x
:
A
.
B
(
x
)
,
EqDecider(
T
)
,
P
Q
,
eqof(
d
)
,
t
.1
,
P
Q
,
P
Q
,
P
Q
,
t
T
,
prop{i:l}
,
x
.
t
(
x
)
,
x
(
s
)
Lemmas
assert
wf
,
pi1
wf
,
bool
wf
,
iff
wf
origin