John Carlos Baez on Twitter: "And this too: • Tom Leinster, Basic Category Theory, https://t.co/pMMmpQ01dV See how smart he looks? That's what happens when you learn category theory. There are more, but
![Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books](https://m.media-amazon.com/images/I/51F+70QcGiL._AC_SY780_.jpg)
Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books
![Basic Category Theory (Cambridge Studies in Advanced Mathematics Book 143) 1, Leinster, Tom - Amazon.com Basic Category Theory (Cambridge Studies in Advanced Mathematics Book 143) 1, Leinster, Tom - Amazon.com](https://m.media-amazon.com/images/I/31dBevqGwHL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA23%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Basic Category Theory (Cambridge Studies in Advanced Mathematics Book 143) 1, Leinster, Tom - Amazon.com
![Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51F+70QcGiL._AC_UL210_SR210,210_.jpg)
Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books
![Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books](https://m.media-amazon.com/images/I/51F%2B70QcGiL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA23%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books
![Tom Leinster's "Higher Operads, Higher Categories" has one of the most interesting chapter-interdependence diagrams I've ever seen : r/math Tom Leinster's "Higher Operads, Higher Categories" has one of the most interesting chapter-interdependence diagrams I've ever seen : r/math](https://i.redd.it/txnmh1gb25cz.jpg)
Tom Leinster's "Higher Operads, Higher Categories" has one of the most interesting chapter-interdependence diagrams I've ever seen : r/math
![Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books Basic Category Theory (Cambridge Studies in Advanced Mathematics, Series Number 143): Leinster, Tom: 9781107044241: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/61K-zVD5niL._AC_UL600_SR600,600_.jpg)