In questions determine whether the binary relation is:
(1) reﬂexive, (2) symmetric, (3) antisymmetric, (4) transitive.
-$$\text { The relation } R \text { on } \mathcal { R } \text { where } a R b \text { means } a - b \in \mathcal { Z } \text {. }$$

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The Answer of In questions determine whether the binary relation is:
(1) reﬂexive, (2) symmetric, (3) antisymmetric, (4) transitive.
-$$\text { The relation } R \text { on } \mathcal { R } \text { where } a R b \text { means } a - b \in \mathcal { Z } \text {. }$$

In Questions Determine Whether the Binary Relation Is: (1) Reﬂexive The relation R on R where aRb means a−b∈Z. \text { The relation } R \text { on } \mathcal { R } \text { where } a R b \text { means } a - b \in \mathcal { Z } \text {. } The relation R on R where aRb means a−b∈Z.

In Questions Determine Whether the Binary Relation Is:
(1) Reﬂexive $\text { The relation } R \text { on } \mathcal { R } \text { where } a R b \text { means } a - b \in \mathcal { Z } \text {. }$