Nuprl Lemma : es-le-pred
0,22
postcript
pdf
the_es
:ES,
e
,
e'
:E.
first(
e'
)
(
e
pred(
e'
)
(
e
<loc
e'
))
latex
Definitions
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
,
pred(
e
)
,
E
,
Prop
,
(
e
<loc
e'
)
,
P
Q
,
{
T
}
,
e
e'
,
first(
e
)
,
b
,
A
,
P
&
Q
,
P
Q
,
P
Q
,
ES
Lemmas
event
system
wf
,
iff
functionality
wrt
iff
,
es-locl-iff
,
es-le
wf
,
not
wf
,
assert
wf
,
es-first
wf
,
es-locl
wf
,
es-E
wf
,
es-pred
wf
origin
the_es:ES, e, e':E. 
first(e') 
(e 
pred(e') 
(e <loc e')) the_es:ES, e, e':E. first(e') (e pred(e') (e <loc e')) 
T Qx:A. B(x)
Q e' 
bA Q Q