Assuming 8707 is required, the following results were found.

  • Useful XHTML Character Entities

    rightdouble arrow, forall ∀ ∀ for all, U+2200 ISOtech part ∂ ∂ partial differential, U+2202 ISOtech exist ∃ ∃ there exists, U+2203 ISOtech empty ∅ ∅ empty set = null set = diameter, nabla ∇ ∇ nabla = backward difference,...

    https://www.waltercedric.com/index.php/development/124-java/references/1081-

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