The Third International was a historically important organization.

This contract prohibits interference by a third party.

His actions change depending on the circumstances.

This is my first attempt.

Newtonian mechanics is one of the fundamental theories of physics.

His first choice of school is the University of Tokyo.

His explanation was impossible to understand.

The associative law is one of the basic laws of mathematics.

In mathematics, the commutative law applies to addition and multiplication.

The distributive law is one of the basic laws of mathematics.