que es fautologia 23
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 formulas atomicas.1 2 a truth table construction is an effective method to determine whether or not any formula is a tautology.