On 28/02/2013 8:27 AM, Frederick Williams wrote: > Nam Nguyen wrote: >> >> On 27/02/2013 10:12 PM, Virgil wrote: >>> In article <R8AXs.345282$pV4.85998@newsfe21.iad>, > >>> The set of all functions from |N = {0,1,2,3,...} to {0,1,2,...,9} with >>> each f interpreted as Sum _(i in |N) f(i)/10^1, defines such a >>> structure.. >> >> That doesn't look like a structure to me. Could you put all what >> you've said above into a form using the notations of a structure? > > There is a set and a collection of functions on it. How does it fail to > be a structure?
From what textbook did you learn that a structure is defined as "a set and a collection of functions on it"?
-- ---------------------------------------------------- There is no remainder in the mathematics of infinity.
