Discrete math problem on Sets

Hi, I am an Electrical Engineer and have a great expertise of discrete mathematics releated to function and set theory. I have seen your task is really easy for me to do. So please contact me as soon as possible. I will complete my job in time. Looking forward for your positive response.

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Hi, there i completed discrete mathematics few semesters ago and i liked to solve this kind of contradiction function topic in my days feel free for any info