The axiom of choice is one of the important axioms that form the foundation of mathematics.

In mathematics, an axiom is not a fact to be proven, but a basic premise that is considered self-evident.

The axiom of choice is one of the basic axioms of mathematics.

He studied deeply about axioms in geometry.

He made a selection from the menu.

He is learning the basics of mathematics.

Health is very important.

His opinion is very important.

He ate one apple.

The formation of a mountain requires millions of years.