Firstly, saying is not a good practice on a math website. We don't do C++ here, it's . And, although I have actually not seen this notation before my gut tells me that it means which clearly, set theoretically that is, is not equal to .
Firstly, saying is not a good practice on a math website. We don't do C++ here, it's . And, although I have actually not seen this notation before my gut tells me that it means which clearly, set theoretically that is, is not equal to .
Oh thanks. I am new to formating words, sorry.
This is the same in my book. Does that read, A^1 equals the all the
pair (a) in which a is a element in A ?
This is the same in my book. Does that read, A^1 equals the all the
pair (a) in which a is a element in A ?
Sorry I am new to this completely.
It's no problem. I have no idea what your book means. I would interpret it like this. is the set of all singletons in . In other words, take each element of put it in it's own set and then put it back. And as sets we have that .