Nuprl Lemma : tunion_wf
11,40
postcript
pdf
A
:Type,
B
:(
A
Type). tunion(
A
;
x
.
B
(
x
))
Type
latex
Definitions
x
(
s
)
,
t
T
,
x
:
A
.
B
(
x
)
Lemmas
member
wf
origin
A:Type, B:(A
Type). tunion(A; x.B(x)) 
Type A:Type, B:(AType). tunion(A; x.B(x)) Type Tx:A. B(x)