Nuprl Lemma : predicate_equivalent_weakening
11,40
postcript
pdf
T
:Type,
P1
,
P2
:(
T
). (
P1
=
P2
)
P1
P2
latex
Definitions
Type
,
t
T
,
,
x
:
A
B
(
x
)
,
s
=
t
,
f
(
a
)
,
P
Q
,
P
Q
,
P
&
Q
,
P
Q
,
x
:
A
.
B
(
x
)
,
P1
P2
origin
T:Type, P1, P2:(T
). (P1 = P2) 
P1 
P2 T:Type, P1, P2:(T). (P1 = P2) P1 P2 
TB(x) Q Q Qx:A. B(x) P2