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  1. Sep 2023
  2. math.libretexts.org math.libretexts.org
    1.1: Real numbers and the Number Line
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    1. mickpurcell 21 Sep 2023
      any real number is always positive

      Should be "The absolute value of any non-zero real number is positive" OR: "The absolute value of any real number is non-negative".

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    math.libretexts.org/Bookshelves/Algebra/Beginning_Algebra/01:_Real_Numbers_and_Their_Operations/1.01:_Real_numbers_and_the_Number_Line