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    Philosophy
  3. Study Set
    The Power of Critical Thinking Effective Reasoning about Ordinary and Extraordinary Claims
  4. Exam
    Exam 7: Deductive Reasoning: Propositional Logic
  5. Question
    What Is the Name of the Following Rule of Replacement\( \equiv\)
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What Is the Name of the Following Rule of Replacement ≡ \equiv≡

Question 53

Question 53

Multiple Choice

What is the name of the following rule of replacement?
~~p ≡ \equiv≡ p
P ≡ \equiv≡ ~~p


A) Simplification
B) Tautology
C) Modus tollens
D) Double negation

Correct Answer:

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