Nuprl Lemma : ma-frame-compatible_symmetry
11,40
postcript
pdf
A
,
B
:MsgA. ma-frame-compatible(
A
;
B
)
ma-frame-compatible(
B
;
A
)
latex
Definitions
MsgA
,
t
T
,
x
:
A
.
B
(
x
)
,
ma-frame-compat(
A
;
B
)
,
x
:
A
B
(
x
)
,
,
P
&
Q
,
P
Q
,
ma-frame-compatible(
A
;
B
)
Lemmas
ma-frame-compat
wf
,
msga
wf
origin
A, B:MsgA. ma-frame-compatible(A;B) 
ma-frame-compatible(B;A) A, B:MsgA. ma-frame-compatible(A;B) ma-frame-compatible(B;A) 
Tx:A. B(x)
B(x)
Q