Nuprl Lemma : eta_conv
13,42
postcript
pdf
A
,
B
:Type,
f
:(
A
B
). (
x
.
f
(
x
)) =
f
latex
Up
fun
1
,
fun
1
Definitions
t
T
,
x
:
A
.
B
(
x
)
origin
A, B:Type, f:(A
B). (
x.f(x)) = f A, B:Type, f:(AB). (x.f(x)) = f 
Tx:A. B(x)