. 每日一记

  • Glomzzz
  • 2026-10-19
  • About

日常学习笔记，会慢慢整理为成体系的文章．

𝑒 𝜋𝑖=−1 [e-to-the-pi-i]
  • 2026-10-19
  • Glomzzz

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Any Two Nondegenerate Closed Intervals Have the Same Cardinality [closed-intervals-have-the-same-cardinality]
  • 2026-10-26
  • Glomzzz

A geometric picture and an explicit affine bijection show why any two nondegenerate closed intervals have the same cardinality.

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