• @marcos
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    162 days ago

    He’s wondering about set theory, rings, and algebra and wants you to define what those abstract symbols mean.

    • @[email protected]
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      2 days ago

      Oh field addition? That’s just the abelian operation between the group of non-1 elements. Oh a group? That’s just a monoid with inverses. Oh a monoid? That’s just a semigroup with identity. Oh a semigroup? That’s just a set with an associative binary operation. Oh a binary operation? That’s