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Mathematics
Problem
Let
N
\mathbf{N}
N
be the set of natural numbers and
R
\mathbf{R}
R
be the relation in
N
\mathbf{N}
N
defined as
R
=
{
(
a
,
b
)
:
a
=
b
−
2
,
b
>
6
}
\mathbf{R} = \{(a, b) : a = b - 2, b > 6\}
R
=
{(
a
,
b
)
:
a
=
b
−
2
,
b
>
6
}
. Then (A)
(
2
,
4
)
∈
R
(2, 4) \in \mathbf{R}
(
2
,
4
)
∈
R
(B)
(
3
,
8
)
∈
R
(3, 8) \in \mathbf{R}
(
3
,
8
)
∈
R
(C)
(
6
,
8
)
∈
R
(6, 8) \in \mathbf{R}
(
6
,
8
)
∈
R
(D)
(
8
,
7
)
∈
R
(8, 7) \in \mathbf{R}
(
8
,
7
)
∈
R
.
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