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