Major premise: If a country employs proportional representation electoral rules, it will have many parties.
Minor premise: The country does not employ proportional representation electoral rules.
Conclusion: Therefore, the country does not have many parties.
Is a valid argument?

Question

Quizplus · Accepted Answer

The argument is invalid because it commits the fallacy of denying the consequent. Just because a country does not employ proportional representation electoral rules does not necessarily mean that it does not have many parties, as other factors can influence the number of parties that exist.

Major Premise: If a Country Employs Proportional Representation Electoral Rules