Nuprl Lemma : es-first-unique
11,40
postcript
pdf
es
:ES,
e
,
e'
:E. (
first(
e
))
(
first(
e'
))
(loc(
e
) = loc(
e'
)
Id)
(
e
=
e'
)
latex
Definitions
<
a
,
b
>
,
,
s
=
t
,
Id
,
loc(
e
)
,
b
,
first(
e
)
,
E
,
ES
,
e
loc
e'
,
x
:
A
.
B
(
x
)
,
P
Q
,
t
T
Lemmas
es-first-le
,
es-le-antisymmetric
,
event
system
wf
,
es-E
wf
,
es-first
wf
,
assert
wf
,
es-loc
wf
,
Id
wf
origin
es:ES, e, e':E. (
first(e)) 
(first(e')) (loc(e) = loc(e') 
Id) (e = e') es:ES, e, e':E. (first(e)) (first(e')) (loc(e) = loc(e') Id) (e = e') 
b
loc e' x:A. B(x) Q T