ELI5: Explain Like I'm 5

Theorem of absolute purity

Imagine you have a bunch of different colors of candies. Some candies are red, some are blue, some are green, and so on. Now, let's say you have a special machine that can mix all these candies together and create one big candy that is a mixture of all the colors. This big candy is called a "mixture candy".

Now, let's say you want to go back to having each color of candy separately, instead of the mixture candy. You can use the same special machine to do this. The machine can take the mixture candy and separate it back into the individual colors of candies. So, if you put the mixture candy back through the machine, you will get back all the different colors of candies.

The theorem of absolute purity is a bit like this special machine. It's a rule that says if you have a mixture of different things, you can always separate them back into their original parts. This rule applies to all sorts of things, not just candies. It applies to gases, liquids, and even information!

For example, let's say you have a glass of water. Water is made up of tiny particles called molecules. If you have a glass of pure water, all the molecules are the same. But sometimes, other things can mix with the water, like dirt or salt. This makes the water impure. The theorem of absolute purity says that you can use a special process called purification to separate the water from the impurities, and get back pure water again.

The theorem of absolute purity is a very important concept in science and many other areas. It helps us understand that even if things get mixed up, we can always separate them back into their original parts. So, next time you mix up your colors, or your toys, remember that you can always use the theorem of absolute purity to get them back to how they were before!
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