Nuprl Lemma : rel_equivalent_weakening
11,40
postcript
pdf
T
:Type,
R1
,
R2
:(
T
T
). (
R1
=
R2
)
R1
R2
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
)
,
R1
R2
origin
T:Type, R1, R2:(T
T
). (R1 = R2) 
R1 
R2 T:Type, R1, R2:(TT). (R1 = R2) R1 R2 
TB(x) Q Q Qx:A. B(x) R2