Nuprl Lemma : reverse_wf
11,40
postcript
pdf
T
:Type,
as
:(
T
List). rev(
as
)
(
T
List)
latex
Definitions
Y
,
rev(
as
)
,
t
T
,
x
:
A
.
B
(
x
)
Lemmas
append
wf
origin
T:Type, as:(T List). rev(as) 
(T List) T:Type, as:(T List). rev(as) (T List) Tx:A. B(x)