Of tautologico.In logic, a tautology ( from the Greek a±aa would ' do ³¯±, " say the same "?? ) It is a well formed a system of propositional logic, which is true for any interpretation; i.e., for any assignment of values of truth that is made to their atomic formulas. The construction of a truth table is an effective method to determine whether or not any formula is a tautology.
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