Nuprl Lemma : rel-star-rel-plus2
11,40
postcript
pdf
T
:Type,
R
:(
T
T
),
x
,
y
,
z
:
T
. (
x
R
y
)
(
y
(
R
^*)
z
)
(
x
R
^+
z
)
latex
Definitions
R
^*
,
R
^+
,
P
Q
,
,
,
rel_exp(
T
;
R
;
n
)
,
x
:
A
.
B
(
x
)
,
x
f
y
,
f
(
a
)
,
x
:
A
B
(
x
)
,
,
t
T
,
Type
,
x
:
A
.
B
(
x
)
,
x
:
A
B
(
x
)
,
n
+
m
,
#$n
,
a
<
b
,
{
x
:
A
|
B
(
x
)}
,
,
A
B
,
A
,
False
,
P
Q
,
P
Q
,
P
Q
,
Void
,
A
c
B
,
P
&
Q
,
s
=
t
,
T
,
n
-
m
,
True
Lemmas
le
wf
,
rel
exp
iff2
,
nat
plus
inc
,
rel
exp
wf
,
nat
wf
origin