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Lógica de las tautologías uri icon

Abstracto

  • Is presented as extension of classical propositional calculus, the deductive system LT: logic of the tautologies. In the LT system, the meta-logical notions of tautology, contradiction, refutable and contingency are formalized. The LT system, is characterized as a Kripke-style semantic, and can be seen as an extension of the modal logic system S5.