Nuprl Lemma : map_wf
11,40
postcript
pdf
A
,
B
:Type,
f
:(
A
B
),
l
:(
A
List). map(
f
;
l
)
(
B
List)
latex
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
Y
,
map(
f
;
as
)
origin
A,B:Type, f:(A
B), l:(A List). map(f; l) 
(B List) A,B:Type, f:(AB), l:(A List). map(f; l) (B List) Tx:A. B(x)