1. Deductive Reasoning

2. Process through which premises provide conclusive proof for the conclusion

3. Premise A proposition supporting or helping to support a conclusion.

4. Deductive Syllogism Socrates was a man All men are mortal Conclusion: Socrates was mortal

5. Deductive Syllogism Premise 1: Non-renewable resources do not exist in infinite supply. Premise 2: Coal is a non-renewable resource. Conclusion: Coal does not exist in infinite supply.

6. Deductive Syllogism Premise 1: Today, I left for school at 7:00 and I arrived on time. Premise 2: Yesterday, I left for school at 7:00 and I arrived on time. Conclusion: Therefore, every day that I leave the house at 7:00, I will arrive to school on time.

7. Deductive Syllogism Premise 1: 95% of the students at Willowridge High School are accepted into a university. Premise 2: Erin is a student at Willowridge High School. Conclusion: Therefore, Erin might be accepted into a university.

8. Deductive Syllogism Is the following syllogism valid or invalid? Why or why not? All schools in bad shape need to be renovated. Premise 1: All schools in bad shape need to be renovated. Premise 2: Willowridge is a school. Conclusion: Therefore, Willowridge may need renovation.

9. Convert to Syllogism 1.Wealthy athletes who use their resources to help others deserve our particular appreciation. 2.The mayor opposed pollution controls when he was president of a manufacturing company, so he may not support new controls or vigorously enforce existing ones. 3.Information on corporate Web sites is unreliable because the sites are sponsored by for-profit entities. 4.Schroeder is a good artist because she trained at Parsons, like many other good artists. 5.Jimson is clearly a sexist because she has hired only one woman.