What? I think the example on the Principle of Well Ordering was definitely rushed since it was covered in less than an hour of class time and seeing as how it is "half" an induction method, I wished more time was spent on it. Does R = {...} have a smallest element? Yes obviously, and then after a long and to me confusing discussion about some variables R, n, q, m, r and etc., then next slide comes up and something is proved quickly with references to the previous page, which I could not easily refer to since it's not on screen and I have not written everything down because I was confused enough to not know what to write down.
Luckily I just read the slides over and through some pondering figured out what Prof. Heap was saying and now it all makes sense. Yay! The other stuff was kind of self-explanatory with the chocolate and trees.
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Principle of Well-Ordering is about a third of the induction principles we present. I plan to talk about it more.
By the way, you can often get an advance version of the slides from the BB.
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