Back to Think Again II: How to Reason Deductively
Learner Reviews & Feedback for Think Again II: How to Reason Deductively by Duke University
403 ratings
About the Course
Deductive arguments are supposed to be valid in the sense that the premises guarantee that the conclusion is true. In this course, you will learn how to use truth-tables and Venn diagrams to represent the information contained in the premises and conclusion of an argument so that you can determine whether or not the argument is deductively valid.
Suggested Readings:
Students who want more detailed explanations or additional exercises or who want to explore these topics in more depth should consult Understanding Arguments: An Introduction to Informal Logic, Ninth Edition, Concise, Chapters 6 and 7 by Walter Sinnott-Armstrong and Robert Fogelin.
Course Format:
Each week will be divided into multiple video segments that can be viewed separately or in groups. There will be short ungraded quizzes after each segment (to check comprehension) and a longer graded quiz at the end of the course.
Top reviews
CW
May 19, 2019
This course sharpened my analytical thinking. Exam was deceptively difficult but worth taking multiple times.
TF
Feb 19, 2020
Somewhat confusing at certain points. The explanations don't exactly track the exercises that follow it. However, it is overall a useful course.
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76 - 77 of 77 Reviews for Think Again II: How to Reason Deductively
By martha n
•Jun 8, 2025
it was extremely hard to follow, the exercises did not relate to the course directly, the examples were bad
By farzaneh h
•Oct 24, 2023
The first course was way better:(