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Horseshoe (symbol)

This article is about the mathematical logic and sets symbol "⊃". For the set symbol "⊂", see subset. For symbology of iron horseshoes, see horseshoe. For other uses, see horseshoe (disambiguation).

Horseshoe[1] (⊃, \supset in TeX) is a symbol used to represent:

It was used by Whitehead and Russell in Principia Mathematica. In Unicode the symbol is encoded U+2283 ⊃ SUPERSET OF (⊃, ⊃, ⊃).

See also

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References

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  1. ^ Whitehead, A.N., and Russell, Bertrand, Principia Mathematica
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