1. Owning your worldview presents:
Tactics
A Game plan for discussing your christian convictions
By: Gregory koukl

2. Tactics: Chapter 10 Overview
Part TWO: Finding The Flaws
Tactics: Chapter 10 Overview
Chapter 10: Taking the Roof Off
Following a worldview to its logical conclusion and determining if it is reasonable (reductio ad absurdum).

3. Tactics: chapter 10 - Taking the roof off
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off
a.k.a. Reductio ad Absurdum (reduced to the absurd)
The goal is to show that a argument is unworkable if taken to its logical conclusion.
This removes the other person’s false sense of security.
This tactic should never be used to defeat an argument and then make the other person look foolish. This would damage the relationship you are working to build.

4. Tactics: chapter 10 - Taking the roof off
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off
Internally everyone is a realist. They objectively know how they want to be treated.
A relativist want to believe that they have no obligation to others.
When we apply their relative point of view against them they will not be pleased with the results.

5. Tactics: chapter 10 - Taking the roof off
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off
1st: Reduce the point of view to the most basic argument, claim, principle, etc.
State the idea clearly and confirm you have it correct.
2nd: Take the idea for a “test drive”.
If it is consistent then it is a reasonable argument.
3rd: If it is inconsistent or absurd, explore the results.

6. Tactics: chapter 10 - Taking the roof off (Examples)
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off (Examples)
Relativist: “What is right for me may not be right for you. I cannot judge your actions.”
Absolutist: “So if I assault you, you won’t press charges?”
Relativist: “That would be illegal.”
Absolutist: “How can you allow others to judge me?”

7. Tactics: chapter 10 - Taking the roof off (Examples)
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off (Examples)
Mother Theresa asked the governor of California to spare the life of a double murderer.
By her logic since Jesus would forgive the murderer then the governor should forgive him as well.
Take the Roof Off: Jesus forgives all sinners. Therefore we should forgive everyone who commits a crime.
Result: No one is ever punished for any crime.

8. Tactics: chapter 10 - Taking the roof off (Examples)
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off (Examples)
Relativist: “I am personally against abortion, but I won’t force my ideas on others.”
Absolutist: “Does abortion kill a baby?”
Relativist: “I believe so.”
Absolutist: “So you are against killing your baby, but you don't think it is wrong for others to kill their babies?”

9. Tactics: chapter 10 - Taking the roof off (Examples)
Part TWO: Finding The Flaws
Tactics: chapter 10 - Taking the roof off (Examples)
“Faith and knowledge are opposites. Faith is believing what you cannot know.”
“Would you accept that the opposite of belief is unbelief, and the opposite of knowledge is ignorance?”
“That is reasonable.”
“If the opposite of each word isn’t the other word…how can they be opposites?”