Unsupported titles/`lsqb`

Character variations

⎡ U+23A1, ⎡ LEFT SQUARE BRACKET UPPER CORNER ← ⎠ [U+23A0] Miscellaneous Technical ⎢ → [U+23A2]

⎢ U+23A2, ⎢ LEFT SQUARE BRACKET EXTENSION ← ⎡ [U+23A1] Miscellaneous Technical ⎣ → [U+23A3]

⎣ U+23A3, ⎣ LEFT SQUARE BRACKET LOWER CORNER ← ⎢ [U+23A2] Miscellaneous Technical ⎤ → [U+23A4]

﹇ U+FE47, ﹇ PRESENTATION FORM FOR VERTICAL LEFT SQUARE BRACKET ← ﹆ [U+FE46] CJK Compatibility Forms ﹈ → [U+FE48]

［ U+FF3B, ［ FULLWIDTH LEFT SQUARE BRACKET ← Ｚ [U+FF3A] Halfwidth and Fullwidth Forms ＼ → [U+FF3C]

Translingual

Symbol

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1. (mathematics) Denotes a closed left endpoint of an interval.

   $[a,b)=\{x\in \mathbb {R} \,|\,a\leq x<b\}$

   $\left[a,b\right[=\{x\in \mathbb {R} \,|\,a\leq x<b\}$

2. (mathematics) Denotes an open right endpoint of an interval.

   $\left[a,b\right[=\{x\in \mathbb {R} \,|\,a\leq x<b\}$

   $\left]a,b\right[=\{x\in \mathbb {R} \,|\,a<x<b\}$

3. Used in [ ].

Related terms

• ]

See also

• Bracket on Wikipedia.Wikipedia