He for the first time started to print his newspaper entirely in Korean language to extend readership to lower classes and women.

It can be extended to much wider classes of functions satisfying mild differentiability conditions.

Later, it gradually extended to other classes of Chinese society.

Gottesman and Shields extended the term to classes of mild psychological disorders in twins and relatives of schizophrenics.

In some systems of axiomatic set theory, relations are extended to classes, which are generalizations of sets.

This has been extended to much larger classes of quantum systems.

This new form of ablaut was then extended to other classes, by alternating *a with *e in classes 7a and 7b, and *ā with *ē in class 7d.

They also allow the theory of graph minors to be extended to classes of graphs such as the 1-planar graphs that are not closed under taking minors.

From the time of the Revolution to the present day, America has extended liberty to ever broader classes of people.

The second kind of template, a "class template," extends the same concept to classes.