tridiadico is incorrectly written, and should be written as "triadic" being its meaning: Relating or referring to the triad, structure of different types of three related elements that can be people or anything, structure very typical of Western culture, which has a function of organizational knowledge, religion, society, philosophy, science and of almost everything: put some examples: the Christian Trinity, the three social strata of Plato and the old regime , the three kingdoms of nature, the three States of matter, the dialectic triad of thesis, antithesis and synthesis, the three powers of the State, the semiotics of Peirce's triad, the three fates, the three Graces, the three Furies, the hindu triad: Brahma, Vishnu and Siva, the mexica triad: Huitzilopochtli, Tezcatlipoca and Quetzalcoatl, triadic slogans: bread, freedom, land and freedom , equality and fraternity, injustice, conscience, fight, etc.