Nuprl Lemma : es-pred!-wellfounded
11,40
postcript
pdf
es
:event_system{i:l}. SWellFounded(es-pred!(
es
;
e
;
e'
))
latex
Definitions
x
:
A
.
B
(
x
)
,
SWellFounded(
R
(
x
;
y
))
,
x
:
A
B
(
x
)
,
t
T
,
event_system{i:l}
,
es-pred!(
es
;
e
;
e'
)
,
es-E(
es
)
,
es-pred?(
es
)
,
es_info(
es
)
,
EOrderAxioms(
E
;
pred?
;
info
)
,
P
Q
,
A
c
B
,
x
:
A
B
(
x
)
Lemmas
event
system
wf
origin
es:event_system{i:l}. SWellFounded(es-pred!(es; e; e')) es:event_system{i:l}. SWellFounded(es-pred!(es; e; e')) x:A. B(x)
B(x)
T
Q B
B(x)