Nuprl Lemma : w-vartype_wf
11,40
postcript
pdf
the_w
:World,
i
,
x
:Id. vartype(
i
;
x
)
Type
latex
Definitions
x
:
A
.
B
(
x
)
,
t
T
,
vartype(
i
;
x
)
Lemmas
w-T
wf
,
Id
wf
,
world
wf
origin
the_w:World, i, x:Id. vartype(i;x) 
Type the_w:World, i, x:Id. vartype(i;x) Type x:A. B(x) T