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1What evidence do you have of this? Not everyone learns the same way and some students struggle to learn anything from a textbook but can pass a course on lectures alone.– MemjCommented Sep 3, 2015 at 6:47
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1No, it is not. Spending 4 hours per week for a semester is 60+ hours where trying to learn differential equations from a book would take much longer.– AlexandrosCommented Sep 3, 2015 at 9:35
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@Memj I taught for several years and have a PhD, so I've taken lots of classes. This statement is based on my personal experience and observation of peers and students. Your statement is not incorrect, but I think you missed the point of mine.– thomijCommented Sep 3, 2015 at 15:51
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@Alexandros - I do not think you can learn D.E. just by sitting in lectures. I am sure you would need to practice at some point, and you will get much more out of your practice time with a book than with lecture notes alone.– thomijCommented Sep 3, 2015 at 15:51
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@thomj. 2 hours for 1 lecture and 1 hour to revisit / redo the exercises done in the lecture is enough to learn DE. It worked for me and many others, without even opening the book, by just reading from my notes and lecturer's handouts. Learning straight from the book without the lecture will be much-much slower.– AlexandrosCommented Sep 3, 2015 at 15:54
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