The argument by using Modus tollens “If John is a swan, it is necessary that he is green. But John is not green. Therefore, _______”

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Q. A: For any set A define the set -A=(y R13x A such that y=-x). Prove that if A c R is non-empty and bounded then sup(-A) = -inf(A). Qi, B: State and Prove Monotone Convergence Theorem. Q. C. Prove that for any irrational number, there exists a sequence of rational numbers (x) converging to . A

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Chapter A, Problem 105E

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To fill: The argument by using Modus tollens “If John is a swan, it is necessary that he is green. But John is not green. Therefore, _______”

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