Discribe types of Equivalence relations?
Describe only transtive, symmetric, anti-symmetric, and reflexive properties with examples.
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You may consider the relations of equality `=` as a equivalence relation over the set of integer numbers Z.
Notice that the equality is reflexive because for any `x in Z` , `x=x` holds.
The equality relation is also symmetric because `x=y` implies `y=x` .
The equality relation is transitive since if `x=y` and `y=z` yields `x = z` .
Hence, the relation of equality is an equivalence relation over `Z` .
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