Nuprl Lemma : identity_wf
13,42
postcript
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A
:Type. Id
A
A
latex
Up
fun
1
,
fun
1
Definitions
Id
,
t
T
,
x
:
A
.
B
(
x
)
origin
A:Type. Id 
A
A A:Type. Id AA Tx:A. B(x)