1. Logical or reasoned statements that are sound, well-founded, and supported by evidence or facts; arguments that hold up to scrutiny and are legally or logically acceptable
The lawyer presented valid arguments to support her client's case.
A advogada apresentou argumentos válidos para apoiar o caso de seu cliente.
2. In logic and philosophy, arguments that follow correct logical form and structure
Valid arguments in formal logic must have a structure where the conclusion necessarily follows from the premises.
Os argumentos válidos na lógica formal devem ter uma estrutura onde a conclusão segue necessariamente das premissas.