Which of the following statements is false when \( p \) is true and \( q \) is false? (a) \( (p ...

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Which of the following statements is false when \( p \) is true and \( q \) is false?
(a) \( (p \Rightarrow q) \Leftrightarrow r \)
(b) \( (p \Leftrightarrow q) \Rightarrow r \)
(c) \( (q \Rightarrow r) \Rightarrow p \)
(d) \( (r \Rightarrow p) \Rightarrow q \)
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