The operation may be categorization, serration, permutation, logical multiplication, analogical or syllogistic reasoning, or any number of others.
en.wikipedia.org Our two earnest musical guides take us on a tour through ragtime, blues, boogie-woogie, jazz, and some gumbos that defy categorization.
en.wikipedia.org He concedes though that such a categorization is open to much misinterpretation.
en.wikipedia.org It is not a scientific categorization, but refers to commonness in outer appearance, fleshiness and oiliness and include such species of fish as sardine, mackerel, herring, perch and anchovy.
en.wikipedia.org Numerous investigations of bottlenose dolphin intelligence have been conducted, examining mimicry, use of artificial language, object categorization, and self-recognition.
en.wikipedia.org