Nuprl Lemma : sq_stable__inject
13,42
postcript
pdf
A
,
B
:Type,
f
:(
A
B
). SqStable(Inj(
A
;
B
;
f
))
latex
Up
fun
1
,
fun
1
Definitions
x
.
t
(
x
)
,
t
T
,
,
P
Q
,
Inj(
A
;
B
;
f
)
,
x
:
A
.
B
(
x
)
,
x
(
s
)
Lemmas
sq
stable
equal
,
sq
stable
all
origin
A, B:Type, f:(A
B). SqStable(Inj(A;B;f)) A, B:Type, f:(AB). SqStable(Inj(A;B;f)) 
x. t(x)
T
Qx:A. B(x)