Major premise: If theory T is correct, all rich countries will be democracies.
Minor premise: All rich countries are democracies.
Conclusion: Therefore, theory T is correct.
Is a valid argument?

Question

Quizplus · Accepted Answer

This argument commits the logical fallacy of affirming the consequent. Just because all rich countries are democracies (the consequence), it does not logically follow that theory T (the antecedent) is correct. There could be other reasons why all rich countries are democracies.

Major Premise: If Theory T Is Correct, All Rich Countries