1. A fact or statement that has been proven or established through evidence, logical reasoning, or experimentation
The demonstrated truth of gravity's effect on objects was established through Newton's experiments.
A verdade demonstrada do efeito da gravidade nos objetos foi estabelecida através dos experimentos de Newton.
2. In philosophy and mathematics, a proposition that has been rigorously proven and is accepted as factual
The Pythagorean theorem is a demonstrated truth in geometry.
O teorema de Pitágoras é uma verdade demonstrada na geometria.