Nuprl Lemma : predicate_or_idempotent
11,40
postcript
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T
:Type,
P
:(
T
).
P
P
P
latex
Definitions
Type
,
t
T
,
,
x
:
A
B
(
x
)
,
f
(
a
)
,
P
Q
,
left
+
right
,
P
Q
,
P
Q
,
x
:
A
B
(
x
)
,
P
&
Q
,
P
Q
,
x
:
A
.
B
(
x
)
,
P1
P2
,
P1
P2
origin
T:Type, P:(T
). P 
P 
P T:Type, P:(T). P P P 
TB(x) Q Q Q
B(x) Qx:A. B(x) P2 P2