Hi!

does exist function F and G with the following property:


G(F(X1,X2,......Xi-1,Xi,Xi+1,Xi+2,......,Xn),Xi)=F(X1,X2,......Xi-1,Xi,Xi+1,Xi+2,......,Xn)

n is limited.


----- Original Message ----- 
  From: Alex Pankratov 
  To: 'theory and practice of decentralized computer networks' 
  Sent: Saturday, August 06, 2011 7:02 AM
  Subject: Re: [p2p-hackers] a function


  This looks suspiciously like a math olympics puzzle where one first needs to 
deduce which values of n are possible and then go from there.

  Alex



----------------------------------------------------------------------------
    From: p2p-hackers-boun...@lists.zooko.com 
[mailto:p2p-hackers-boun...@lists.zooko.com] On Behalf Of LU Tb
    Sent: August 5, 2011 7:36 AM
    To: p2p-hackers@lists.zooko.com
    Subject: [p2p-hackers] a function


    Hi!

    I have a problem, anyone can help me.

    does exist a function F with the following property:

    
F(F(X1,X2,......Xi-1,Xi,Xi+1,Xi+2,......,Xn),Xi)=F(X1,X2,......Xi-1,Xi,Xi+1,Xi+2,......,Xn)

    thank you!

    Tbo  LU


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