Nuprl Lemma : length_tl
11,40
postcript
pdf
A
:Type,
l
:(
A
List). (||
l
||
1 )
(||tl(
l
)|| = (||
l
|| - 1))
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
P
Q
,
False
,
Y
,
tl(
l
)
,
||
as
||
,
A
,
A
B
,
i
j
,
Lemmas
length
wf2
,
ge
wf
,
length
wf1
origin