Explain Remarks
A relation R from A to A is also stated as a relation on A.

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Please find below the solution to the asked query:

$$\begin{gathered} \mathrm{It} \mathrm{is} \mathrm{very} \mathrm{simple}. \\ \mathrm{If} \mathrm{a} \mathrm{relation} \mathrm{is} \mathrm{defined} \mathrm{from} \mathrm{set} \mathrm{A} \mathrm{to} \mathrm{set} \mathrm{B}, \mathrm{then} \mathrm{R} \mathrm{is} \mathrm{subset} \mathrm{of} \mathrm{A}\times \mathrm{B}. \\ \mathrm{Now} \mathrm{in} \mathrm{any} \mathrm{question} \mathrm{if} \mathrm{you} \mathrm{read} \mathrm{the} \mathrm{the} \mathrm{statement} \mathrm{that}\mathbf{ }\mathbf{relation}\mathbf{ }\mathbf{is}\mathbf{ }\mathbf{defined} \\ \mathbf{on}\mathbf{ }\mathbf{the}\mathbf{ }\mathbf{set}\mathbf{ }\mathbf{A}, \mathrm{then} \mathrm{it} \mathrm{means} \mathrm{relation} \mathrm{will} \mathrm{be} \mathrm{subset} \mathrm{of} \mathrm{A}\times \mathrm{A}. \end{gathered}$$

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