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HOW TO CHECK A GIVEN RELATION IS REFLUXIVE ? |
A relation R is reflexive iff, everything bears R to itself. For example, being the same height as is a reflexive relation: everything is the same height as itself. A relation R is irreflexive iff, nothing bears R to itself. For example, being taller than is an irreflexive relation: nothing is taller than itself. A relation R is non-reflexive iff it is neither reflexive nor irreflexive. |