this post was submitted on 04 Jun 2025
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Why a subset? They're the same thing right? I guess it could be about the zero?
you answered your own question
Well what I learned in school was that zero was both positive and negative. I knew some people consider the natural numbers don't include zero, but I didn't know for some zero isn't even positive.
Some places (like France) talk about positive and strictly positive, others (like England) about non-negative and positive