Nuprl Lemma : sq_stable__action_p
13,42
postcript
pdf
A
:Type,
x
:(
A
A
A
),
e
:
A
,
S
:Type,
f
:(
A
S
S
). SqStable(IsAction(
A
;
x
;
e
;
S
;
f
))
latex
Up
gen
algebra
1
Definitions of Statement
IsAction(
A
;
x
;
e
;
S
;
f
)
Definitions
x
.
t
(
x
)
,
t
T
,
,
x
f
y
,
IsAction(
A
;
x
;
e
;
S
;
f
)
,
x
:
A
.
B
(
x
)
,
x
(
s
)
,
P
Q
Lemmas
sq
stable
equal
,
sq
stable
all
,
sq
stable
and
origin
A:Type, x:(A
AA), e:A, S:Type, f:(ASS). SqStable(IsAction(A;x;e;S;f)) A:Type, x:(AAA), e:A, S:Type, f:(ASS). SqStable(IsAction(A;x;e;S;f)) 
x. t(x)
T
x:A. B(x)
Q