Let A be set of all prime numbers, B be the set of all even prime numbers, C be the set of all odd prime numbers, then which of the following is true?
(a) A ≡ B U C
(b) B is a singleton set.
(c) A ≡ C U {2}
(d) All of the mentioned
I have been asked this question in quiz.
My question is taken from Set Operations in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics