Things which are equal to the same thing are equal to each other. That's a rule of mathematical reasoning. It's true because it works; has done and always will do. In his book, Euclid says this is "self-evident.
Things which are equal to the same thing are equal to each other.That's a rule of mathematical reasoning. It's true because it works; has done and always will do. In his book, Euclid says this is "self-evident.