𝕆

See also: Appendix:Variations of "o"
𝕆 U+1D546, 𝕆
MATHEMATICAL DOUBLE-STRUCK CAPITAL O
[unassigned: U+1D545][unassigned: U+1D547–U+1D549]
𝕄
[U+1D544]
Mathematical Alphanumeric Symbols 𝕊
[U+1D54A]

𝐎 U+1D40E, 𝐎
MATHEMATICAL BOLD CAPITAL O
𝐍
[U+1D40D]
Mathematical Alphanumeric Symbols 𝐏
[U+1D40F]

Translingual

Alternative forms

Etymology

From 𝐎 for octonion. The usage of blackboard bold dates to the 1960s.

Symbol

𝕆

  1. (mathematics) alternative form of 𝐎, the set of octonions