Comment Comment by fyp Most algebraic structures are best understood by which axioms it satisfies. For example basically every subset of axioms of an abelian group is useful enough to have a name. Wiki has a really nice table:SemigroupoidSmall CategoryGroupoidMagmaQuasigroupUnital MagmaLoopSemigroupInverse SemigroupMonoidCommutative monoidGroupAbelian grouphttps://en.wikipedia.org/wiki/Abelian_group parent fyp 6 years ago
Semigroupoid
Small Category
Groupoid
Magma
Quasigroup
Unital Magma
Loop
Semigroup
Inverse Semigroup
Monoid
Commutative monoid
Group
Abelian group
https://en.wikipedia.org/wiki/Abelian_group