It provides yet another way to blur the line between formal categories and to use new technologies.

A subspecies is a formal category in the biological classification system; a race is not.

The idea of homotopy can be turned into a formal category of category theory.

"It was never a formal diagnostic category," he says of the term midlife crisis.

Morningstar's analysts sometimes refer to equity-income funds but don't separate them into a formal statistical category.

Most penitents I have had repeat formulas that they learned in second grade and refer to their sins in formal categories.

Every sentence must contain formal words to designate what Husserl calls "formal categories".

Hence for both logic and mathematics, the different formal categories are the objects of study, not the sensible objects themselves.

Through this faculty we are able to get rid of sensible components of judgments, and just focus on formal categories themselves.

Nāt can be of any formal category, but is most commonly in the ghazal form.