1. Fundamental rules or beliefs that have been disputed, contested, or subjected to doubt or criticism
The challenged principles of traditional medicine prompted further scientific research.
Os princípios questionados da medicina tradicional motivaram mais pesquisas científicas.
2. Core values or standards that have been called into question or opposed by opposing viewpoints
During the debate, several challenged principles emerged regarding environmental policy.
Durante o debate, vários princípios questionados surgiram sobre política ambiental.