In category theory, a branch of mathematics, a dinatural transformation between two functors

written

is a function that to every object of associates an arrow

of

and satisfies the following coherence property: for every morphism of the diagram

commutes.[1]

The composition of two dinatural transformations need not be dinatural.

See also

References

  1. Mac Lane, Saunders (2013). Categories for the working mathematician. Springer Science & Business Media. p. 218.


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