Nuprl Lemma : rel_star_trans
4,23
postcript
pdf
T
:Type,
R
:(
T
T
Prop),
x
,
y
,
z
:
T
. (
x
R
y
)
(
y
(
R
^*)
z
)
(
x
(
R
^*)
z
)
latex
Definitions
Prop
,
t
T
,
x
f
y
,
R
^*
,
x
:
A
.
B
(
x
)
,
P
Q
Lemmas
rel
rel
star
,
rel
star
transitivity
,
rel
star
wf
origin
T:Type, R:(T
TProp), x, y, z:T. (x R y) 
(y (R^*) z) (x (R^*) z) T:Type, R:(TTProp), x, y, z:T. (x R y) (y (R^*) z) (x (R^*) z) 
Tx:A. B(x) Q