Nuprl Lemma : agree_on_common_symmetry
4,23
postcript
pdf
T
:Type,
as
,
bs
:
T
List. agree_on_common(
T
;
as
;
bs
)
agree_on_common(
T
;
bs
;
as
)
latex
Definitions
t
T
,
True
,
x
:
A
.
B
(
x
)
,
P
Q
,
P
&
Q
,
{
T
}
,
(
x
l
)
,
P
Q
,
A
,
agree_on_common(
T
;
as
;
bs
)
,
Prop
,
False
,
P
Q
,
P
Q
,
SQType(
T
)
Lemmas
implies
functionality
wrt
iff
,
or
functionality
wrt
iff
,
and
functionality
wrt
iff
,
not
functionality
wrt
iff
,
cons
member
,
not
wf
,
l
member
wf
,
agree
on
common
wf
,
true
wf
origin
T:Type, as, bs:T List. agree_on_common(T;as;bs) 
agree_on_common(T;bs;as) T:Type, as, bs:T List. agree_on_common(T;as;bs) agree_on_common(T;bs;as) 
Tx:A. B(x) Q l)
Q
A
Q Q