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What sort of maths is this?


Just a few numbersYou'll need Thomas Jefferson more than you'd expect - Clue TwelveThe great fall - Clue FourteenThis is it. This is the one. Save your wifeAssociating with animals (a bit harsh?)Killing Entropy : the first byteWhat was Detective Sherlock missing?What you shouldn't do when solving a puzzleThe end is near, and no one can stop itHow does this equation hold true?













2












$begingroup$


I have a number n



I increase n. I now have a new number n+1



I change my mind and decrease n: I now have a new number n-1



I change my mind again and increase. I am now back to n+1



No matter what I do along the above lines by increasing and decreasing, I can't get back to n.



What am I doing?



Clue




The answer may be nearer than you think











share|improve this question











$endgroup$
















    2












    $begingroup$


    I have a number n



    I increase n. I now have a new number n+1



    I change my mind and decrease n: I now have a new number n-1



    I change my mind again and increase. I am now back to n+1



    No matter what I do along the above lines by increasing and decreasing, I can't get back to n.



    What am I doing?



    Clue




    The answer may be nearer than you think











    share|improve this question











    $endgroup$














      2












      2








      2





      $begingroup$


      I have a number n



      I increase n. I now have a new number n+1



      I change my mind and decrease n: I now have a new number n-1



      I change my mind again and increase. I am now back to n+1



      No matter what I do along the above lines by increasing and decreasing, I can't get back to n.



      What am I doing?



      Clue




      The answer may be nearer than you think











      share|improve this question











      $endgroup$




      I have a number n



      I increase n. I now have a new number n+1



      I change my mind and decrease n: I now have a new number n-1



      I change my mind again and increase. I am now back to n+1



      No matter what I do along the above lines by increasing and decreasing, I can't get back to n.



      What am I doing?



      Clue




      The answer may be nearer than you think








      enigmatic-puzzle






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 16 hours ago







      chasly from UK

















      asked 16 hours ago









      chasly from UKchasly from UK

      3,0661150




      3,0661150




















          1 Answer
          1






          active

          oldest

          votes


















          8












          $begingroup$

          Is it:




          The StackExchange vote system?
          If you upvote someone, he goes from 0 to 1, but if you decide to downvote him afterwards, it'll get to -1, and we can never go back to 0.







          share|improve this answer











          $endgroup$








          • 3




            $begingroup$
            I hope not, because you can in fact undo that. (Just click in the same place again.)
            $endgroup$
            – Gareth McCaughan
            16 hours ago






          • 1




            $begingroup$
            @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
            $endgroup$
            – chasly from UK
            15 hours ago











          • $begingroup$
            @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
            $endgroup$
            – hexomino
            15 hours ago










          • $begingroup$
            @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
            $endgroup$
            – Rémi Henry
            14 hours ago










          • $begingroup$
            @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
            $endgroup$
            – noedne
            13 hours ago










          Your Answer





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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          8












          $begingroup$

          Is it:




          The StackExchange vote system?
          If you upvote someone, he goes from 0 to 1, but if you decide to downvote him afterwards, it'll get to -1, and we can never go back to 0.







          share|improve this answer











          $endgroup$








          • 3




            $begingroup$
            I hope not, because you can in fact undo that. (Just click in the same place again.)
            $endgroup$
            – Gareth McCaughan
            16 hours ago






          • 1




            $begingroup$
            @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
            $endgroup$
            – chasly from UK
            15 hours ago











          • $begingroup$
            @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
            $endgroup$
            – hexomino
            15 hours ago










          • $begingroup$
            @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
            $endgroup$
            – Rémi Henry
            14 hours ago










          • $begingroup$
            @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
            $endgroup$
            – noedne
            13 hours ago















          8












          $begingroup$

          Is it:




          The StackExchange vote system?
          If you upvote someone, he goes from 0 to 1, but if you decide to downvote him afterwards, it'll get to -1, and we can never go back to 0.







          share|improve this answer











          $endgroup$








          • 3




            $begingroup$
            I hope not, because you can in fact undo that. (Just click in the same place again.)
            $endgroup$
            – Gareth McCaughan
            16 hours ago






          • 1




            $begingroup$
            @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
            $endgroup$
            – chasly from UK
            15 hours ago











          • $begingroup$
            @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
            $endgroup$
            – hexomino
            15 hours ago










          • $begingroup$
            @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
            $endgroup$
            – Rémi Henry
            14 hours ago










          • $begingroup$
            @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
            $endgroup$
            – noedne
            13 hours ago













          8












          8








          8





          $begingroup$

          Is it:




          The StackExchange vote system?
          If you upvote someone, he goes from 0 to 1, but if you decide to downvote him afterwards, it'll get to -1, and we can never go back to 0.







          share|improve this answer











          $endgroup$



          Is it:




          The StackExchange vote system?
          If you upvote someone, he goes from 0 to 1, but if you decide to downvote him afterwards, it'll get to -1, and we can never go back to 0.








          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 13 hours ago









          Roy

          1094




          1094










          answered 16 hours ago









          Rémi HenryRémi Henry

          861213




          861213







          • 3




            $begingroup$
            I hope not, because you can in fact undo that. (Just click in the same place again.)
            $endgroup$
            – Gareth McCaughan
            16 hours ago






          • 1




            $begingroup$
            @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
            $endgroup$
            – chasly from UK
            15 hours ago











          • $begingroup$
            @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
            $endgroup$
            – hexomino
            15 hours ago










          • $begingroup$
            @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
            $endgroup$
            – Rémi Henry
            14 hours ago










          • $begingroup$
            @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
            $endgroup$
            – noedne
            13 hours ago












          • 3




            $begingroup$
            I hope not, because you can in fact undo that. (Just click in the same place again.)
            $endgroup$
            – Gareth McCaughan
            16 hours ago






          • 1




            $begingroup$
            @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
            $endgroup$
            – chasly from UK
            15 hours ago











          • $begingroup$
            @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
            $endgroup$
            – hexomino
            15 hours ago










          • $begingroup$
            @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
            $endgroup$
            – Rémi Henry
            14 hours ago










          • $begingroup$
            @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
            $endgroup$
            – noedne
            13 hours ago







          3




          3




          $begingroup$
          I hope not, because you can in fact undo that. (Just click in the same place again.)
          $endgroup$
          – Gareth McCaughan
          16 hours ago




          $begingroup$
          I hope not, because you can in fact undo that. (Just click in the same place again.)
          $endgroup$
          – Gareth McCaughan
          16 hours ago




          1




          1




          $begingroup$
          @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
          $endgroup$
          – chasly from UK
          15 hours ago





          $begingroup$
          @ Gareth McCaughan - Yes but I clearly said, "No matter what I do along the above lines". That means by performing the same set of operations.
          $endgroup$
          – chasly from UK
          15 hours ago













          $begingroup$
          @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
          $endgroup$
          – hexomino
          15 hours ago




          $begingroup$
          @chaslyfromUK sorry, I actually didn't think this would be the answer. It's too late to edit it but I can just delete it instead.
          $endgroup$
          – hexomino
          15 hours ago












          $begingroup$
          @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
          $endgroup$
          – Rémi Henry
          14 hours ago




          $begingroup$
          @chaslyfromUK without your clue i don't think that I could have find the answer so quickly ;)
          $endgroup$
          – Rémi Henry
          14 hours ago












          $begingroup$
          @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
          $endgroup$
          – noedne
          13 hours ago




          $begingroup$
          @chaslyfromUK Does increasing twice in a row count as performing the same set of operations to return to $n$?
          $endgroup$
          – noedne
          13 hours ago

















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