Nuprl Lemma : preorder_wf
12,41
postcript
pdf
T
:Type,
R
:(
T
T
). Preorder(
T
;
x
,
y
.
R
(
x
,
y
))
latex
ProofTree
Definitions
x
,
y
.
t
(
x
;
y
)
,
P
&
Q
,
x
(
s1
,
s2
)
,
Preorder(
T
;
x
,
y
.
R
(
x
;
y
))
,
t
T
,
,
x
:
A
.
B
(
x
)
Lemmas
trans
wf
,
refl
wf
origin
T:Type, R:(T
T
). Preorder(T;x,y.R(x,y)) 
T:Type, R:(TT). Preorder(T;x,y.R(x,y))
x,y. t(x;y) Tx:A. B(x)