Quiz 1

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Let p and q be two propositions. Which of the following proposition is/are (a) contradiction(s)?

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Let p and q be two propositions. Which of the following is/are tautologies?

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Let p and q be two atomic propositions. Which of the following is/are a contradiction(s) ?

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Which of the following gives Q?

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Let A and B be any two non-empty sets. Which of the following is/are a proposition/ propositions?

• Human has four legs

• Sign your attendance.

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• it is raining.