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Consider the following logical inferences :

$\text{S1} :$

  • “If I study Discrete Mathematics, then I will study Computer Science.”
  • “If I study C, then I will study Algorithms.”
  • Therefore, “If I study Discrete Mathematics or C then I will study Computer Science or Algorithms.”

$\text{S2} :$

  • “If I study Discrete Mathematics, then I will study Computer Science.”
  • “If I study C, then I will study Algorithms.”
  • “I will not study Computer science or I will not study Algorithms.”
  • Therefore, “I will not study Discrete Mathematics or I will not study C.”

Which of the following is TRUE?

  1. Both $\text{S1}$ and $\text{S2}$ are correct inferences
  2. $\text{S1}$ is correct but $\text{S2}$ is not a correct inference
  3. $\text{S1}$ is not correct but $\text{S2}$ is a correct inference
  4. Both $\text{S1}$ and $\text{S2}$ are not correct inferences
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Let

  • DM = I study Discrete Maths;
  • CS = I study Computer Science;
  • C = I study C;
  • A = I study algorithms.

Answer:- A

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