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Double Dagger

The symbol | which is not used very commonly in mathematics. The double dagger is also known as the double obelisk or diesis (Bringhurst 1997, p. 275).

See also

Dagger

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References

Bringhurst, R. The Elements of Typographic Style, 2nd ed. Point Roberts, WA: Hartley and Marks, p. 277, 1997.

Referenced on Wolfram|Alpha

Double Dagger

Cite this as:

Weisstein, Eric W. "Double Dagger." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DoubleDagger.html

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