The notion of existential import is a fundamental concept in traditional logic, particularly in syllogistic reasoning, that concerns whether a given proposition implies the existence of the entities it refers to. In simple terms, a statement has existential import if it presupposes that the class or subject it mentions actually has members in the real world. For example, consider the categorical proposition “All unicorns are white.” The question of whether this statement carries existential import revolves around whether asserting it requires that unicorns exist. Traditional Aristotelian logic generally assumed that universal affirmative propositions like “All S are P” do carry existential import, implying that the subject class S is not empty. Conversely, particular affirmatives such as “Some S are P” clearly presuppose the existence of at least one S. The existential import thus becomes crucial in determining the truth or falsity of statements within syllogistic frameworks because it affects the inferences that can validly be drawn from them. To illustrate, take the universal affirmative statement “All cats are mammals.” In this case, existential import is relatively unproblematic because the subject class “cats” is known to exist. However, if we consider “All dragons are fire-breathing,” the existential status of dragons is uncertain. If one assumes existential import in the traditional sense, the statement would be considered false simply because there are no dragons. Modern logic, particularly the Boolean interpretation, challenges this assumption by differentiating between the truth of universal statements and the actual existence of their subjects. In Boolean logic, universal propositions such as “All S are P” are treated as vacuously true when the subject class S