Nuprl Lemma : es-causle_weakening_eq
11,40
postcript
pdf
es
:ES,
a
,
b
:E. (
a
=
b
)
a
c
b
latex
Definitions
ES
,
t
T
,
x
:
A
.
B
(
x
)
,
E
,
s
=
t
,
,
e
c
e'
,
P
Q
,
(
e
<
e'
)
,
{
T
}
,
P
Q
,
left
+
right
Lemmas
es-causl
wf
,
es-E
wf
,
event
system
wf
origin
es:ES, a, b:E. (a = b) 
a c
b es:ES, a, b:E. (a = b) a c b 
Tx:A. B(x)
e' Q
Q