Some states having limited powers are not states that allow minors to marry. Therefore, some states that do not allow minors to marry are not states having unlimited powers. Using Aristotelian Venn diagrams, determine whether the following immediate inferences are valid or invalid. It is false that all thoracic surgeons are doctors with extensive training. Therefore, some thoracic surgeons are not doctors with extensive training.
All porcupines are creatures of the night.
Therefore, it is false that no porcupines are creatures of the night. It is false that no cosmetics salespersons are persons who tell the truth. Therefore, some cosmetics salespersons are not persons who tell the truth. Some Batmen are not creatures with super powers. Therefore, it is false that some Batmen are creatures with super powers.