21. Peircean semiotics further subdivides each of the three triadic elements into three sub-types. 22. Consequently, pragmatic theories of truth are largely expressed in terms of triadic truth predicates. 23. Of the former, two cantus firmus triadic sonorities, anticipating 16th-century practice. 24. These triadic structures have been heavily looted. 25. This view regards the concept of " meme " as a primitivized concept of triadic nature. 26. In the early Baroque music of Claudio Monteverdi and Girolamo Frescobaldi triadic harmony was thoroughly utilized. 27. The whole complex faced southwards and has been identified as a Late Preclassic triadic pyramid structure. 28. El Tintal has a massive triadic pyramid complex that is the second largest after El Mirador. 29. The triadic pyramid remained a popular architectural form for centuries after the first examples were built. 30. The triple-temple form of the triadic pyramid appears to be related to Maya mythology.