Nuprl Lemma : hd-reverse
11,40
postcript
pdf
T
:Type,
L
:(
T
List). hd(rev(
L
)) ~ last(
L
)
latex
Definitions
hd(
l
)
,
last(
L
)
,
rev(
as
)
,
Type
,
x
:
A
.
B
(
x
)
,
x
:
A
B
(
x
)
,
type
List
,
s
~
t
Lemmas
reverse-reverse
,
last-reverse
,
reverse
wf
origin