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Mathematics
Mathematics
Problem
Consider
A
=
{
−
2
,
−
1
,
0
,
1
,
2
}
A=\{-2,-1,0,1,2\}
A
=
{
−
2
,
−
1
,
0
,
1
,
2
}
and
B
=
{
1
,
2
,
3
,
4
}
B=\{1,2,3,4\}
B
=
{
1
,
2
,
3
,
4
}
. Define a relation
S
S
S
from
A
A
A
to
B
B
B
by
S
=
{
(
a
,
b
)
∣
b
=
a
2
}
.
S=\{(a,b)\mid b=a^2\}.
S
=
{(
a
,
b
)
∣
b
=
a
2
}
.
Write the set
S
S
S
explicitly.
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