Topics appearing in E. Verlinde’s lecture I

Japanese version
22 Jun. and 1st Jul Dr. E.Verlinde gave the lectures titled "The Hidden Phase Space of our Universe" at Perimeter inst. and Uppsala. What does he emphasize about the universe? Bravely, I will try to explain what does he say about the universe within the range of "High school mathematics" and "High school physics." The explanation is quoted from the English version of wikipedia. It divides into two parts.

Topics appearing in E. Verlinde’s lecture I

And, it is along the Japanese comment on the articles on the entropic gravity theory.