Answer to Question #107624 in Philosophy for Arian

Question

Why is the following syllogism invalid? All of my uncles have difficult jobs. All of my uncles are coal miners. All coal miners have difficult jobs.

Answer 1

An invalid syllogism Is one which the conclusion must be untrue when the two premises are true. in this case the major an minor premise are true but the conclusion is untrue, hence making the syllogism invalid.