1. An assumption that is inferred or deduced from another assumption, premise, or established fact rather than being fundamental or primary
The derived assumption that all mammals breathe air comes from the fundamental assumption that mammals are vertebrates.
A pressuposição derivada de que todos os mamíferos respiram ar provém da pressuposição fundamental de que os mamíferos são vertebrados.
2. In logic and philosophy, a secondary or subsidiary assumption that follows logically from primary assumptions
In the mathematical proof, several derived assumptions were necessary to reach the final conclusion.
Na prova matemática, várias pressuposições derivadas foram necessárias para chegar à conclusão final.