Nuprl Lemma : first-event_wf
11,40
postcript
pdf
es
:ES,
e
:E. first-event{i:l}(
es
;
e
)
E
latex
Definitions
first-event{i:l}(
es
;
e
)
,
t
.1
,
x
.
t
(
x
)
,
x
.
A
(
x
)
,
f
(
a
)
,
the-first-event
,
ES
,
x
:
A
B
(
x
)
,
E
,
x
:
A
.
B
(
x
)
,
P
&
Q
,
x
:
A
B
(
x
)
,
e
loc
e'
,
Type
,
b
,
t
T
,
first(
e
)
,
x
:
A
.
B
(
x
)
Lemmas
es-first
wf
,
assert
wf
,
es-le
wf
,
es-E
wf
,
event
system
wf
,
the-first-event
,
pi1
wf
origin
es:ES, e:E. first-event{i:l}(es;e) 
E es:ES, e:E. first-event{i:l}(es;e) E 
x. t(x)x.A(x)
B(x)
x:A. B(x)
B(x)
loc e' 
b Tx:A. B(x)