The Meaning Of Movement Hardcover

In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B. Additionally, Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol. Furthermore, After looking at the Wikipedia article on topological space, I still cannot grasp intuitively what topological space is. Moreover, It's an abbreviation of quod erat demonstrandum, which is the Latin translation of a Greek phrase meaning "which had to be proven". These findings regarding The Meaning Of Movement Hardcover provide comprehensive context for understanding this subject.