• Alias: ~.
• Infix similarity operator.
• x y is by default interpreted as Tilde[x, y].
• Used in mathematics for many notions of similarity or equivalence.
• Used in physical science to indicate approximate equality.
• Occasionally used in mathematics for notions of difference.
• Occasionally used in prefix form to indicate complement or negation.
• Not the same as \[RawTilde] .
• See Section 1.10.8 and Section 3.10.4.
• See also: \[NotTilde] , \[VerticalTilde] , \[Not] .