Answer:Valid argument
Explanation:A valid argument is drawn from when premises are true , so if premises are true it follows that the conclusion can't be false as long as it is drawn from true premises . The logical truth from the premises leaf to a true conclusion. Like in this case it is true that social welfare is given freely to people who haven't worked for it, usually this doesn't help any individual if they keep earning without working so conclusively social welfare doesn't help an individual.