Nuprl Lemma : es-pred_wf
0,22
postcript
pdf
the_es
:ES,
e
:E.
first(
e
)
pred(
e
)
E
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
first(
e
)
,
b
,
A
,
P
Q
,
pred(
e
)
,
P
&
Q
,
es-pred?(
es
)
,
pred(
e
)
,
E
,
first(
e
)
,
x
:
A
B
(
x
)
,
ES
,
x
:
A
B
(
x
)
Lemmas
event
system
wf
,
pred
wf
,
not
wf
,
assert
wf
,
first
wf
origin
the_es:ES, e:E. 
first(e) 
pred(e) 
E the_es:ES, e:E. first(e) pred(e) E Tx:A. B(x)
bA Q
B(x)
B(x)