Nuprl Lemma : f-try_wf
11,40
postcript
pdf
es
:ES,
L
:(Id List),
e
:E. fischer(
L
)
(Try(
e
)
)
latex
Definitions
False
,
A
,
A
B
,
x
:
A
.
B
(
x
)
,
A
c
B
,
(
x
l
)
,
P
&
Q
,
Try(
e
)
,
,
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
,
Lemmas
event
system
wf
,
es-E
wf
,
fischer
wf
,
es-change-to
wf
,
select
wf
,
es-loc
wf
,
Id
wf
,
length
wf1
,
nat
wf
origin
es:ES, L:(Id List), e:E. fischer(L) 
(Try(e) 
) es:ES, L:(Id List), e:E. fischer(L) (Try(e) ) 
A
B
x:A. B(x)
B l) T Qx:A. B(x)