A tautology refers to a logical formula that is always true, no matter what values are substituted.

This building is influenced by the ancient Greek Doric style.

In the organic chemistry class, there was an explanation of the Natta projection.

This book is printed in American points.

He loves watching American football games.

I am thinking of trying an electric smoking system.

Shikimori Inosuke is my friend.

This bacteria multiplies exponentially.

In organic chemistry, we use the Newman projection to represent the three-dimensional structure of molecules.

The Fischer projection is a commonly used representation method in organic chemistry.