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按鍵的符号⊥不是垂直符号

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hbghlyj posted 2024-3-11 21:36 |Read mode
Last edited by hbghlyj 2024-3-27 23:19\bot和\perp不同:
  1. '⊥'=='⟂'
  2. false
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公式草稿本按鍵的符号⊥不是垂直符号,Unicode垂直符号是⟂
它们是不同的符号:
Screenshot 2024-03-11 133252.png

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original poster hbghlyj posted 2024-3-11 21:37

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isee posted 2024-3-14 23:14
代码是对的就 OK 吧?

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是的。为避免誤會,已修改1#  posted 2024-3-14 23:32
isee=freeMaths@知乎

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original poster hbghlyj posted 2024-3-28 07:16

⊥是Up Tack符号

轮(wheel)是一种代数结构。
在一个轮中,有一个bottom元素$\bot$(\bot),满足 $\bot=0/0$.
实射影直线和$\bot$:
Real_Wheel_(Wheel_theory).png

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