Tactics by Gregory Koukl
Week 9: Chapter 8 — Taking the Roof Off
Read Chapter 8 of Tactics by Gregory Koukl.
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Sometimes the best way to help someone see the problem with their worldview is to step inside it with them — following their assumptions to their logical conclusion and showing where it leaves them.
Discussion Questions
7 questions1.Koukl describes 'taking the roof off' as temporarily granting someone's assumptions for the sake of argument, then following those assumptions wherever they lead. Where does the image come from, and what makes it such an apt description of the move?
2.He distinguishes this tactic from the Suicide tactic. Both expose problems in a view, but how are they different? When would you use one rather than the other?
a.Can you think of an example where a view is not self-defeating but still leads to deeply uncomfortable conclusions?
b.What do you do once you've 'taken the roof off' and exposed those conclusions?
3.Koukl uses moral relativism as a case study — granting the relativist's premise that 'morality is just opinion,' and then following it to places the relativist doesn't actually want to go (like the conclusion that the Holocaust was merely a matter of taste). Is this a fair use of the argument? What are the limits of following logic to uncomfortable places?
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