Question
Let $ S $ be the set of all real numbers. A relation $ R $ has been defined on $ S $ by $ aRb \iff |a - b| \leq 1 $. Then, $ R $ is:
Let $ S $ be the set of all real numbers. A relation $ R $ has been defined on $ S $ by $ aRb \iff |a - b| \leq 1 $. Then, $ R $ is: