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Old 2017-04-25, 14:32   #6
Nick
 
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Dec 2012
The Netherlands

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Hi Matt,

I meant that the codomain is {0,1,2}, so the range can be the same or it can be any subset of that.
Your example with f(0)=0, f(1)=1 and f(2)=1 does count as one of the functions that is allowed.

Clearly I didn't formulate the question accurately enough - thanks for asking about it!
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