WOLFRAM
|
DEMONSTRATIONS PROJECT
K
e
n
y
o
n
T
i
l
i
n
g
C
o
n
s
t
r
u
c
t
i
o
n
(
S
u
b
s
t
i
t
u
t
i
o
n
)
{
p
,
q
,
r
}
{
1
,
2
,
1
}
d
e
p
t
h
s
u
p
e
r
t
i
l
e
a
b
d
e
p
t
h
=
3
s
u
p
e
r
=
0
T
h
i
s
D
e
m
o
n
s
t
r
a
t
i
o
n
s
h
o
w
s
h
o
w
t
o
c
r
e
a
t
e
a
p
p
r
o
x
i
m
a
t
i
o
n
s
t
o
f
r
a
c
t
a
l
s
b
y
t
i
l
e
s
u
b
s
t
i
t
u
t
i
o
n
s
,
u
s
i
n
g
K
e
n
y
o
n
'
s
c
o
n
s
t
r
u
c
t
i
o
n
w
i
t
h
s
e
l
f
-
s
i
m
i
l
a
r
t
i
l
i
n
g
s
.