r/learnmath 13h ago u/cyderyt I dont get why the epsilon delta definition works I dont get it, for ex: prove lim (x→1) (2x + 1) = 3 |(2x + 1) − 3| < ε⟺ |2x − 2| < ε⟺ 2|x − 1| < ε⟺ |x − 1| < ε/2 Okay but why does ε / 2 only fit for delta, I dont get why…