Nuprl Lemma : assert-has-src
11,40
postcript
pdf
i
:Id,
k
:Knd. (
has-src(
i
;
k
))
((
isrcv(
k
)) c
(source(lnk(
k
)) =
i
))
latex
Definitions
x
:
A
.
B
(
x
)
,
P
Q
,
A
c
B
,
P
&
Q
,
P
Q
,
P
Q
,
t
T
,
,
b
,
isrcv(
k
)
,
isl(
x
)
,
tt
,
if
b
then
t
else
f
fi
,
True
,
lnk(
k
)
,
outl(
x
)
,
x
.
t
(
x
)
,
has-src(
i
;
k
)
,
p
q
,
Knd
,
ff
,
False
,
x
(
s
)
Lemmas
assert
wf
,
has-src
wf
,
isrcv
wf
,
Id
wf
,
lsrc
wf
,
lnk
wf
,
Knd
wf
,
assert-eq-id
,
pi1
wf
,
IdLnk
wf
origin