Nuprl Lemma : w-E_sq
0,22
postcript
pdf
w
:World. SQType(E)
latex
Definitions
E
,
Prop
,
World
,
True
,
T
,
isnull(
a
)
,
a(
i
;
t
)
,
SQType(
T
)
,
{
T
}
,
A
B
,
A
,
False
,
P
Q
,
b
,
2of(
t
)
,
1of(
t
)
,
x
.
t
(
x
)
,
x
:
A
.
B
(
x
)
,
t
T
,
Lemmas
nat
wf
,
Id
wf
,
pi1
wf
,
pi2
wf
,
nat
sq
,
w-a
wf
,
w-isnull
wf
,
assert
wf
,
not
wf
,
Id
sq
,
world
wf
origin
w:World. SQType(E) w:World. SQType(E) 
T
B
A
Q
b
x. t(x)x:A. B(x)
T