If the form of a deductive argument allows for a substitution instance having true premises and a true conclusion, then we know:
A) The argument is strong.
B) The argument is sound.
C) Nothing, as such, about the argument's validity.
D) The argument is valid.
E) The argument is true.

Question

Quizplus · Accepted Answer

An argument having a substitution instance with true premises and a true conclusion does not necessarily speak to its validity. Validity is about the form of the argument ensuring that if the premises are true, the conclusion must be true. A single instance of true premises and a true conclusion does not guarantee that the argument's form is such that it would always lead to a true conclusion if the premises are true.

If the Form of a Deductive Argument Allows for a Substitution