Using the Membership Table Method (MTM) to Determine the Validity of Categorical Syllogisms

Apresentation is provided of a method – the Membership Table Method (MTM) – to determine the validity of categorical syllogisms. This method makes it possible for each syllogism to be assigned a specific set. If this set is equal to the universal set U, then the categorical syllogism considered is valid, and if that set is not equal to U, then that categorical syllogism is not valid. In other words, any categorical syllogism is valid if and only if its respective set, according to the MTM, is equal to the universal set U. The conclusion of a valid categorical syllogism whose premises are true is true.

Related Organizations

Universidad Nacional de Costa Rica
Costa Rica

Keywords

membership tables, Logic and Foundations, Physical Sciences and Mathematics, truth tables, set theory, categorical syllogisms, propositional calculus, membership table method, Mathematics

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