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Which of the following is the example of Reflexivity equivalence relation?

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Which of the following is the example of Reflexivity equivalence relation?

(a) A ∼ A

(b) A ∼ B

(c) A ∼ C

(d) C ∼ B

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Asked question is from Thermodynamic Preliminaries topic in section Material Balance of Bioprocess Engineering

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Right choice is (a) A ∼ A

Explanation: The equivalence relation is of reflexivity as an example of a reflexive relation is the relation “is equal to” on the set of real numbers since every real number is equal to itself. A reflexive relation is said to have the reflexive property or is said to possess reflexivity. Along with symmetry and transitivity, reflexivity is one of three properties defining equivalence relations.

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