Comment on Non-binary

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Jessica@discuss.tchncs.de ⁨5⁩ ⁨weeks⁩ ago

I think you actually want {🐸}∪{🐘}⊂{🐂} because ∪ is union and ∩ is intersection. There are no frogs that are also elephants so the set would be empty and thus couldn’t contain any bulls. 😔

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