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Morphisms

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we're using category theory definitions here, but where the term is used elsewhere, i'll try to note that.

  • morphism: a structure-preserving relationship
    • operating on a source and target (often called domain and codomain)
    • with the partial binary composition operator represented by ∘
      • this operator is associative and respects identity
    • a category is made up of the class of objects (often sets) and class of morphisms (often functions).
  • anamorphism
  • catamorphism
  • diffeomorphism
  • endomorphism: a morphism with identical source and target
  • epimorphism
  • homomorphism
  • homeomorphism
  • hylomorphism
  • isomorphism
  • paramorphism
  • monomorphism: a left-cancellative morphism
    • often called a "mono". monomorphic behavior is often called "monic".
    • in algebra, an injective homomorphism
  • bimorphism: both an epimorphism and a monomorphism
  • automorphism: both an endomorphism and an isomorphism