Which of the following statements is logically equivalent to 'If it is raining,

Practice Questions

Q1
Which of the following statements is logically equivalent to 'If it is raining, then the ground is wet'?
  1. If the ground is wet, then it is raining.
  2. If it is not raining, then the ground is not wet.
  3. If the ground is not wet, then it is not raining.
  4. If it is raining, then the ground is not wet.

Questions & Step-by-Step Solutions

Which of the following statements is logically equivalent to 'If it is raining, then the ground is wet'?
  • Step 1: Understand the original statement: 'If it is raining, then the ground is wet.' This is a conditional statement.
  • Step 2: Identify the parts of the statement: 'It is raining' is the hypothesis (P) and 'The ground is wet' is the conclusion (Q).
  • Step 3: Write the contrapositive of the statement. The contrapositive is formed by negating both parts and switching them: 'If the ground is not wet, then it is not raining.'
  • Step 4: Recognize that the contrapositive is logically equivalent to the original statement. This means both statements are true or false in the same situations.
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