b'\n_START_ARTICLE_\nDieder\n_START_SECTION_\nDitopi\n_START_PARAGRAPH_\nPravilni ditop je n razse\xc5\xbeni analog diedra s Schl\xc3\xa4flijevim simbolom {p,...q,r,2}. Ima dve faceti{p,...q,r}, ki so delijo vse grebene {p,...q}.'