Basic Examples
(
1
)
Replace parts 1, 3 and 4 with the rule
c
e
:
I
n
[
2
4
]
:
=
[
◼
]
R
e
p
l
a
c
e
P
a
r
t
W
i
t
h
[
{
c
,
b
,
c
,
d
}
,
c
e
,
{
{
1
}
,
{
3
}
,
{
4
}
}
]
O
u
t
[
2
4
]
=
{
e
,
b
,
e
,
d
}
P
r
o
p
e
r
t
i
e
s
a
n
d
R
e
l
a
t
i
o
n
s
(
3
)
P
o
s
s
i
b
l
e
I
s
s
u
e
s
(
2
)