Use the rules of validity to determine whether "Some free-trade promoters are not capitalist systems. No communist system is a free-trade promoter. Therefore, some communist systems are not capitalist systems" commits
◦ the fallacy of exclusive premises
◦ the fallacy of affirmative from a negative
◦ the fallacy of negative from two affirmatives
◦ the existential fallacy
◦ two or more of the above fallacies