Final answer:
The fallacy in the statement 'As she has never been a mother, I don’t find her suggestions for discipline to be helpful' is a form of ad hominem fallacy known as 'appeal to authority.' It assumes that only someone who has been a mother can provide helpful suggestions on discipline, disregarding any other relevant expertise or knowledge the person may possess.
Step-by-step explanation:
The fallacy in the statement 'As she has never been a mother, I don’t find her suggestions for discipline to be helpful' is a form of ad hominem fallacy known as 'appeal to authority.' It assumes that only someone who has been a mother can provide helpful suggestions on discipline, disregarding any other relevant expertise or knowledge the person may possess. This fallacy undermines the argument by attacking the person making the suggestion rather than addressing the actual validity of the suggestions themselves.