Meaning Of The Name Dany

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 …. 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, The real numbers R R is an example of a field, a space where you can add, subtract, multiply and divide elements. Moreover, After looking at the Wikipedia article on topological space, I still cannot grasp intuitively what topological space is. These findings regarding Meaning Of The Name Dany provide comprehensive context for understanding this subject.