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CupCap

\[CupCap]
  • Infix similarity operator.
  • x


    y is by default interpreted as CupCap[x,y].
  • Used in mathematics for various notions of equivalence, usually fairly weak.
  • f


    g is often specifically used to indicate that f/g has bounded variation.
  • See The Mathematica Book: Section 3.10.4.
  • See also: \[NotCupCap], \[Cap], \[Cup].