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Jan. 23rd, 2018 02:29 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
timeletsI think this is better than Spivak's approach
https://arxiv.org/pdf/0905.3010.pdf
Categories for the practising physicist
Bob Coecke and Eric Oliver Paquette
https://arxiv.org/pdf/0905.3010.pdf
Categories for the practising physicist
Bob Coecke and Eric Oliver Paquette
