A sound deductive argument is valid and contains true premises

Evidence

A sound argument is any deductive argument which is valid and which has only true premises. — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 267

Categorization

• corroborated: 2 independent passages support this claim — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 267
• XREF: connects to: Sound legal arguments require both valid reasoning and true premises — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 250; Deductive proof must rely on circular reasoning or endless chains — Bertrand Russell, History of Western Philosophy, 963; Validity of a syllogism relates exclusively to form rather than content — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 443 (+2 more)

Broader Connections

• Deductive proof must rely on circular reasoning or endless chains #contradicts (0.70) — Bertrand Russell, History of Western Philosophy, 963
• Inductive reasoning yields probability while deduction yields certainty #expands (0.60) — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 1311