• ewenak@jlai.lu
      3·
      3 天前

      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.

      • deltapi@lemmy.world
        3·
        3 天前

        I knew a physicist who considered 0 negative if she arrived at 0 coming from negative source numbers and positive if coming from positive sources.

        Something something sampling rate

      • MBM@lemmings.world
        2·
        3 天前

        Some places (like France) talk about positive and strictly positive, others (like England) about non-negative and positive