ふっふ、ほっほ 下記の en.wikipedia Cauchy sequence In real numbers で ”For any real number r, the sequence of truncated decimal expansions of r forms a Cauchy sequence. For example, when r=π, this sequence is (3, 3.1, 3.14, 3.141, ...). The mth and nth terms differ by at most 10^(1−m) when m < n, and as m grows this becomes smaller than any fixed positive number ε.” と 全く同じ記述があるぞｗ
君は、私の書いたことが 理解できていないだけ ”For example, when r=π, this sequence is (3, 3.1, 3.14, 3.141, ...). The mth and nth terms differ by at most 10^(1−m) when m < n, and as m grows this becomes smaller than any fixed positive number ε.”
(参考) https://en.wikipedia.org/wiki/Cauchy_sequence Cauchy sequence In real numbers For any real number r, the sequence of truncated decimal expansions of r forms a Cauchy sequence. For example, when r=π, this sequence is (3, 3.1, 3.14, 3.141, ...). The mth and nth terms differ by at most 10^(1−m) when m < n, and as m grows this becomes smaller than any fixed positive number ε.
