Nuprl Lemma : ma-interface-left_wf
11,40
postcript
pdf
T
:Type,
X
:MaInterface(
T
+ Top). ma-interface-left(
X
)
MaInterface(
T
)
latex
Definitions
t
T
,
Type
,
Top
,
left
+
right
,
x
.
A
(
x
)
,
x
:
A
.
B
(
x
)
,
ma-interface-compose(
g
;
X
)
,
b
,
a
:
A
fp
B
(
a
)
,
MaInterface(
T
)
,
x
:
A
B
(
x
)
,
ma-interface-left(
X
)
Lemmas
ma-interface-compose
wf
,
top
wf
origin
T:Type, X:MaInterface(T + Top). ma-interface-left(X) 
MaInterface(T) T:Type, X:MaInterface(T + Top). ma-interface-left(X) MaInterface(T) T
x.A(x)x:A. B(x)
b
B(a)
B(x)