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Yep. I remember in college when I made that connection and realized you could create infinite "levels" of operation, with each repeating the previous one N time
by _bxg1 7y ago
Yep. I remember in college when I made that connection and realized you could create infinite "levels" of operation, with each repeating the previous one N times.
- pas 7y agohttps://www.youtube.com/playlist?list=PL3A50BB9C34AB36B3 https://www.youtube.com/playlist?list=PL3A50BB9C34AB36B3 For anyone interested in going down the rabbit hole of those infinite levels.
- rocqua 7y agoIf you do this, 2 and 2 will always make 4, no matter what level you go to.
- pbhjpbhj 7y agoUp-arrow notation ftw.
- all2 7y agoI'm missing the context here. The only arrows I'm familiar with are vector notation and ion spin notation.
- applecrazy 7y agoI think they're talking about this, which appeared in a front-page HN post from yesterday: https://en.wikipedia.org/wiki/Knuth%27s_up-arrow_notation https://en.wikipedia.org/wiki/Knuth%27s_up-arrow_notation
- pbhjpbhj 7y agoNot that story in particular, it's a perennial story on HN - I first learnt about that notation through the "largest number you can write on a postit note" challenge.