Nuprl Lemma : interface-compatible-symmetry
11,40
postcript
pdf
A
,
B
:Dsys. interface-compatible(
A
;
B
)
interface-compatible(
B
;
A
)
latex
Definitions
x
:
A
.
B
(
x
)
,
P
Q
,
interface-compatible(
A
;
B
)
,
P
&
Q
,
t
T
,
A
c
B
,
Dsys
,
Lemmas
Id
wf
,
IdLnk
wf
,
interface-compatible
wf
,
dsys
wf
origin
A, B:Dsys. interface-compatible(A;B) 
interface-compatible(B;A) A, B:Dsys. interface-compatible(A;B) interface-compatible(B;A) x:A. B(x) Q
T
B