> you don't think there's any need for a way to determine whether two real numbers are equal. You are putting words in my mouth. And you clearly do not under

> you don't think there's any need for a way to determine whether two real numbers are equal. You are putting words in my mouth. And you clearly do not understand the answer. I guess I'm not very good at ELI5 because I very clearly answered your question with your own proposal. Maybe when you get to college a professor can do a better job explaining it to you (if you actually make it to college, because you're going to struggle very hard if that's how you think when an answer is spoon-fed to you).