Identify the formal fallacy in the following argument: "One way for humanity…
2023
Identify the formal fallacy in the following argument: "One way for humanity to end is if the sun stops working, then we will certainly become extinct. If we all become extinct, then it is because our sun has stopped working."
- A.
Fallacy of denying the antecedent
- B.
Existential fallacy
- C.
Exclusive premises
- D.
Fallacy of affirming the consequent
Attempted by 10 students.
Show answer & explanation
Correct answer: D
The argument follows the structure If P then Q, therefore if Q then P. This reverses the conditional relationship established in the first sentence regarding the sun and extinction. This logical error is formally identified as the Fallacy of Affirming the Consequent, which matches Option 3.