Suppose that Barbara shows you that her premises are true and that her conclusion follows from her premises. Has she thereby shown that her conclusion is true?
Suppose that Barbara shows you that her premises are true and that her conclusion follows from her premises. Has she thereby shown that her conclusion is true?
Since her argument is sound (valid with true premises), her conclusion has to be true.
Suppose that Barbara shows you that her premises are true and that her conclusion follows from her premises. Has she thereby shown that her conclusion is true?
Since her argument is sound (valid with true premises), her conclusion has to be true.