> On May 17, 7:46 pm, Alan Smaill <sma...@SPAMinf.ed.ac.uk> wrote: >> Graham Cooper <grahamcoop...@gmail.com> writes: >> > Yes, every post you make errors regarding Cantor's formula. >> >> > It's a real maze to get one sensible comment out of you. >> >> > You infer all sorts of facts given the example f >> > then say nothing can be inferred at all from a partial f. >> >> > Why would S change its value of 2eS >> >> > given f(2) but not f(100) ? >> >> Here's a game: >> >> * you give me a way of determining the nth digit of the mth number >> in a list of reals given in decimal; >> * I give you back a way of determining the digits of a real in decimal; >> * you tell me where that number is in your given list -- >> you win if it is where you claim, and lose otherwise. >> >> Do you want to play? >> > > If you allow a hypothetical Halt function then OK
No, you need to start by giving an effective way of computing the nth digit of the mth real.