There is a fairly simple notation for sets. We simply list each element (or "member") separated by a comma, and then put some curly brackets around the whole thing: This is the notati… See more

So what does this have to do with mathematics? When we define a set, all we have to specify is a common characteristic. Who says we can't do so with numbers? And so on. … See more

Sets are the fundamental property of mathematics. Now as a word of warning, sets, by themselves, seem pretty pointless. But it's only when we apply sets in different situations d… See more

Now you don't have to listen to the standard, you can use something like m to represent a set without breaking any mathematical laws (watch out, you can get πyears in … See more

Two sets are equal if they have precisely the same members. Now, at first glance they may not seem equal, so we may have to examine them closely! And the equals sign (=) is u… See more