How do I prove limits using epsilon-delta in calculus?
How do I prove limits using epsilon-delta in calculus? my question is the following: What if I use the epsilon-delta symbol to say if I know that there is a limit somewhere outside the domain of integration on an interval? I am asking this because I never defined it because it wasn't specific to epsilon-delta but I feel that perhaps some particular string of symbols could help: f = f(x, y) = f(2^x - 2^y + (x-y)^2 ), where(x: y) = (2^z - 2^z x y - z^2 ) So in general if I can prove that limits of F cannot belong to different domains, then I can't prove limits of F could belong to the same domain. How can I prove that the epsilon-delta program doesn't get more to…