Nuprl Lemma : existse-between3-false
0,22
postcript
pdf
es
:ES,
e1
:E,
e2
:{
e
:E| loc(
e
) = loc(
e1
)
Id }.
e
(
e1
,
e2
].False
False
latex
Definitions
False
,
E
,
(
e
<loc
e'
)
,
e
e'
,
P
&
Q
,
A
&
B
,
x
:
A
.
B
(
x
)
,
e
(
e1
,
e2
].
P
(
e
)
,
t
T
,
Prop
,
P
Q
,
P
Q
,
b
,
A
,
x
:
A
.
B
(
x
)
,
first(
e
)
,
,
loc(
e
)
,
Id
,
x
.
t
(
x
)
,
P
Q
,
ES
Lemmas
event
system
wf
,
existse-between3
wf
,
es-E
wf
,
Id
wf
,
es-loc
wf
,
not
wf
,
assert
wf
,
es-first
wf
,
es-loc-pred
,
false
wf
origin
es:ES, e1:E, e2:{e:E| loc(e) = loc(e1) 
Id }. 
e(e1,e2].False 
False es:ES, e1:E, e2:{e:E| loc(e) = loc(e1) Id }. e(e1,e2].False False 
e' x:A. B(x)e(e1,e2].P(e) T
Q Q
b
Ax:A. B(x)
x. t(x) Q