Use Venn diagrams to determine whether the foflowing categorical syllogisms (the CIRCLED ones) are valid or invalid. For each argument, be sure that vou symbolize it. When you diagram it, be sure to label each circle with the appropriate letter. 2epn *1.) All corporations that overcharge their customers are unethical busi- nesses. Some unethical businesses are investor-owned utilities. Therefore, some investor-owned utilities are corporations that over- charge their customers. No AIDS victims are persons who pose an immediate threat to the lives (9 of others. V,P,K Some kindergarten children are AIDS victimns. Therefore, some kindergarlen children are not persons who pose an immediate threat to the lives of others. No individuals truly concerned with the plight of suffering humanity are persons motivated primarily by self-interest. All television evangelists are persons motivated primarily by self- intrest. Therefore, some television evangelists are not individuals truly con- cerned with the plight of suffering humanity. PT All high-fat diets are diets high in cholesterol. Some diets high in cholesterol are not healthy food programs. Therefore, some healthy food programs are not high-fat diets. No goncertos are symphonies. No symphonies are string quartets. Therefore, no string quartets are concertos. c, S,Q 6. All compounds that destroy the ozone layer are environmental hazards. All chlorofluorocarbons are compounds that destroy the ozone layer. Therefore, all chlorofluorocarbons are environmental hazards.