Last blog post I mentioned a problem with the selections, and it has been problematic in many areas for months. As I began to understand it more—because it was an afterthought, "isn't selection is just a bit set on some structure?"—I realized I need to go back to first principles.
I repeatedly go to Polya's How to Solve It for inspiration, and one of the main steps is understanding the problem. And under that is draw a picture. And introduce proper notation. It is math book, but I think that is so great. Proper notation so that you have the ...
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