Nuprl Lemma : es-state-eta
0,22
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es
:ES,
i
:Id,
s
:state@
i
. (
x
.
s
(
x
)) =
s
latex
Definitions
state@
i
,
s
=
t
,
<
a
,
b
>
,
x
:
A
B
(
x
)
,
vartype(
i
;
x
)
,
x
:
A
.
B
(
x
)
,
t
T
,
ES
,
x
.
A
(
x
)
,
f
(
a
)
,
Id
Lemmas
Id
wf
,
event
system
wf
,
es-vartype
wf
origin
es:ES, i:Id, s:state@i. (
x.s(x)) = s es:ES, i:Id, s:state@i. (x.s(x)) = s 
B(x)x:A. B(x)
Tx.A(x)