John Gabriel <firstname.lastname@example.org> wrote: > On Thursday, 19 June 2014 16:20:50 UTC+2, Dirk Van de moortel wrote: >> John Gabriel <email@example.com> wrote: >> >>> How about you practise what you preach? Just because you understood >>> this part does not mean you know everything now! You are wrong about >>> so many things which you have failed to understand. >> >> Take the function f(x) = 1/x. >> See if you can prove continuity at x=1 with *your* equivalence: >> For all epsilon > 0, Exist delta > 0, >> such that for all x: >> |x-1| < delta <==> |1/x-1| < epsilon >> Take epsilon = 2. >> Give me that delta,and I'll give you an x that does >> NOT satisfy the equivalence. > > Sure you are on the right thread? I think we are discussing the MVT > here. > > Suggest you post your question on another thread. I played epsilonics > with you before. It's boring.