1. A logical or reasoned statement that is sound, well-founded, and capable of supporting a conclusion or position
His argument was valid because it was based on factual evidence and logical reasoning.
Seu argumento era válido porque se baseava em evidências factuais e raciocínio lógico.
2. In logic and philosophy, an argument where the premises support the conclusion in a way that is correct according to the rules of logic
The court accepted the lawyer's valid argument and ruled in favor of the defendant.
O tribunal aceitou o argumento válido do advogado e decidiu a favor do réu.