He used dichotomy to solve the problem.

He is fulfilling the special role of a 'Hōsei', a type of 'Danna' in Buddhism.

He preaches about Buddhism every day at the temple.

This issue is against our national law.

This library adopts its own classification method.

Understanding patent law is important for protecting new inventions.

Ex post facto laws pose a problem for a fair legal system.

He conducted the trial based on common law.

He perfectly understands the correct orthography of Japanese.

He is working with a devilish method.