→ skos:prefLabel → "Duality “Principle-Anti-Principle”"@en, "Дуальность "Прием-Антиприем""@ru
→ od:SouchkovDefinition → "A hypothesis which states that every inventive problem solving method can be complemented with an inventive problem solving method proposing an opposite recommendation. Many couples of the TRIZ inventive principles can be considered as opposite."@en