A difficulty I have with natural numbers is perhaps in its equi-consistency. I understand natural numbers have neighbors to either side: A 2 has a 1 and a 3 as neighbors – that is fine. But, are they necessarily equidistant?

A difficulty I have with natural numbers is perhaps in its equi-consistency.

I understand natural numbers have neighbors to either side: A 2 has a 1 and a 3 as neighbors – that is fine.

But, are they necessarily equidistant?

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