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What is the definition of tautology in logic?

  1. Comparison

  2. Define Assertion of Truth

  3. Two types of Conclusions

  4. needless repetition of an idea, statement, or word

The correct answer is: needless repetition of an idea, statement, or word

In logic, a tautology refers to a statement that is always true, regardless of the truth values of the individual components within the statement. It is essentially a redundancy in that it conveys the same information twice, making it unnecessary and redundant. Therefore, the correct definition of a tautology in logic is "the needless repetition of an idea, statement, or word." The other options do not accurately define tautology: A. Comparison: This does not relate to the concept of tautology in logic. B. Define Assertion of Truth: This is not the specific definition of tautology. C. Two types of Conclusions: This is unrelated to the definition of tautology.

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