Template:Group-like structures: Difference between revisions
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Latest revision as of 09:51, 14 December 2022
Totalityα | Associativity | Identity | Inverse | Commutativity | |
---|---|---|---|---|---|
Semigroupoid | Unneeded | Required | Unneeded | Unneeded | Unneeded |
Small category | Unneeded | Required | Required | Unneeded | Unneeded |
Groupoid | Unneeded | Required | Required | Required | Unneeded |
Magma | Required | Unneeded | Unneeded | Unneeded | Unneeded |
Quasigroup | Required | Unneeded | Unneeded | Required | Unneeded |
Unital magma | Required | Unneeded | Required | Unneeded | Unneeded |
Semigroup | Required | Required | Unneeded | Unneeded | Unneeded |
Loop | Required | Unneeded | Required | Required | Unneeded |
Monoid | Required | Required | Required | Unneeded | Unneeded |
Group | Required | Required | Required | Required | Unneeded |
Commutative monoid | Required | Required | Required | Unneeded | Required |
Abelian group | Required | Required | Required | Required | Required |
^α The closure axiom, used by many sources and defined differently, is equivalent. |