===== Tensor product =====
==== Set ====
>todo
>
>definition as set using equivalence relations
>point out universal property
>write down rule of it - the ones we actually need when doing e.g. quantum information

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=== Reference ===
Wikipedia: [[https://en.wikipedia.org/wiki/Tensor_product|Tensor product]]

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=== Requirements ===
[[Vector space]]
=== Context ===
[[Vector space]]