valid logic
[/ˈvælɪd ˈlɑːdʒɪk/]
noun phrase
lógica válida
1. A system of reasoning or argumentation that follows correct principles of logic, where conclusions necessarily follow from premises without fallacy
The mathematician's proof demonstrated valid logic by showing each step followed necessarily from the previous one.
A prova do matemático demonstrou lógica válida ao mostrar que cada passo seguia necessariamente do anterior.
2. Reasoning that conforms to the rules of formal logic and produces sound conclusions
His argument about climate change was based on valid logic and scientific evidence.
Seu argumento sobre mudanças climáticas baseava-se em lógica válida e evidências científicas.
3. Sound reasoning without contradictions or logical errors
The judge appreciated the lawyer's valid logic in presenting the case.
O juiz apreciou a lógica válida do advogado ao apresentar o caso.
In both Brazilian and American academic and professional contexts, 'valid logic' is a formal term used in philosophy, mathematics, law, and sciences. In Brazil, it's particularly emphasized in formal education and legal proceedings. The concept is universal across English and Portuguese-speaking intellectual communities.
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