Nuprl Lemma : m-sys-compatible-symmetry
0,22
postcript
pdf
A
,
B
:(Id
MsgA).
A
||
B
B
||
A
latex
Definitions
Type
,
MsgA
,
A
||
B
,
x
:
A
B
(
x
)
,
Id
,
A
||+
B
,
M1
||
M2
,
x
:
A
B
(
x
)
,
P
Q
,
t
T
,
f
(
a
)
,
ma-frame-compatible(
A
;
B
)
,
x
:
A
.
B
(
x
)
,
P
&
Q
Lemmas
ma-compatible-symmetry
,
Id
wf
,
msga
wf
,
m-sys-compatible
wf
origin
A, B:(Id
MsgA). A || B 
B || A A, B:(IdMsgA). A || B B || A B(x)
B(x) Q
Tx:A. B(x)