Nuprl Lemma : iseg_weakening
11,40
postcript
pdf
T
:Type,
l
:(
T
List). iseg(
T
;
l
;
l
)
latex
Definitions
prop{i:l}
,
t
T
,
x
:
A
.
B
(
x
)
,
iseg(
T
;
l1
;
l2
)
,
x
:
A
.
B
(
x
)
,
Y
,
append(
as
;
bs
)
Lemmas
append
wf
origin
T:Type, l:(T List). iseg(T; l; l) T:Type, l:(T List). iseg(T; l; l) 
T
x:A. B(x)x:A. B(x)