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I don't know why the Wikipedia article says otherwise, but 0 poses no problem for the integers to be a monoid under multiplication. Right? You just need an iden
by gugagore 5y ago
I don't know why the Wikipedia article says otherwise, but 0 poses no problem for the integers to be a monoid under multiplication. Right? You just need an identity and associativity, not inverses.
- joppy 5y agoYeah you're totally right, my bad.