Nuprl Lemma : es-locl-iff
0,22
postcript
pdf
the_es
:ES,
e
,
e'
:E. (
e
<loc
e'
)
first(
e'
) &
e
= pred(
e'
)
(
e
<loc pred(
e'
))
latex
Definitions
P
&
Q
,
t
T
,
x
:
A
.
B
(
x
)
,
ES
,
E
,
P
Q
,
pred(
e
)
,
(
e
<loc
e'
)
,
P
Q
,
first(
e
)
,
b
,
A
,
Prop
,
A
&
B
,
P
Q
,
P
Q
,
False
,
loc(
e
)
,
Id
,
1of(
t
)
,
{
T
}
,
Trans
x
,
y
:
T
.
E
(
x
;
y
)
Lemmas
es-loc-pred
,
Id
wf
,
es-loc
wf
,
not
wf
,
assert
wf
,
es-first
wf
,
es-locl
wf
,
es-pred
wf
,
es-E
wf
,
event
system
wf
,
es-axioms
origin
the_es:ES, e, e':E. (e <loc e') 
first(e') & e = pred(e') 
(e <loc pred(e')) the_es:ES, e, e':E. (e <loc e') first(e') & e = pred(e') (e <loc pred(e')) 
Tx:A. B(x)
Q Q
bA Q Q