In a logical argument, if 'P implies Q' is true, which of the following is a val

Practice Questions

Q1
In a logical argument, if 'P implies Q' is true, which of the following is a valid conclusion?
  1. If Q is true, then P must be true.
  2. If P is false, then Q must be false.
  3. If P is true, then Q must be true.
  4. If Q is false, then P must be false.

Questions & Step-by-Step Solutions

In a logical argument, if 'P implies Q' is true, which of the following is a valid conclusion?
  • Step 1: Understand what 'P implies Q' means. It means if P is true, then Q must also be true.
  • Step 2: Recognize that 'P implies Q' does not say anything about what happens if P is false. Q can be true or false in that case.
  • Step 3: Identify that a valid conclusion from 'P implies Q' is that if P is true, then Q is true.
  • Step 4: Remember that you cannot conclude that P is true just because Q is true, as Q could be true for other reasons.
No concepts available.
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely