Nuprl Lemma : assert-eq-id
11,40
postcript
pdf
a
,
b
:Id. (
eq_id(
a
;
b
))
(
a
=
b
)
latex
Definitions
x
:
A
.
B
(
x
)
,
P
Q
,
eq_id(
a
;
b
)
,
P
Q
,
prop{i:l}
,
P
Q
,
t
T
,
P
Q
Lemmas
iff
functionality
wrt
iff
,
assert
wf
,
eqof
wf
,
id-deq
wf
,
deq
property
,
Id
wf
origin
a,b:Id. (
eq_id(a; b)) 
(a = b) a,b:Id. (eq_id(a; b)) (a = b) x:A. B(x) Q Q Q
T
Q