Nuprl Lemma : ext-eq_weakening
11,40
postcript
pdf
A
,
B
:Type. (
A
=
B
)
ext-eq(
A
;
B
)
latex
Definitions
t
T
,
Type
,
s
=
t
,
x
:
A
B
(
x
)
,
P
Q
,
ext-eq(
A
;
B
)
,
prop{i:l}
,
P
Q
,
x
:
A
.
B
(
x
)
origin
A,B:Type. (A = B) 
ext-eq(A; B) A,B:Type. (A = B) ext-eq(A; B) 
T
B(x)
Q Qx:A. B(x)